| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6 |
| ; RUN: opt -S -mtriple=x86_64-- -passes='require<libcall-lowering-info>,expand-ir-insts' -expand-fp-convert-bits=0 < %s | FileCheck %s |
| |
| ; Test small bit widths that can be verified by alive2. |
| |
| define half @uitofp_i32_f16(i32 %x) { |
| ; CHECK-LABEL: define half @uitofp_i32_f16( |
| ; CHECK-SAME: i32 [[X:%.*]]) { |
| ; CHECK-NEXT: [[ITOFP_ENTRY:.*]]: |
| ; CHECK-NEXT: [[TMP8:%.*]] = freeze i32 [[X]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[TMP8]], 0 |
| ; CHECK-NEXT: br i1 [[TMP0]], label %[[ITOFP_RETURN:.*]], label %[[ITOFP_IF_END:.*]] |
| ; CHECK: [[ITOFP_IF_END]]: |
| ; CHECK-NEXT: [[TMP1:%.*]] = ashr i32 [[TMP8]], 31 |
| ; CHECK-NEXT: [[TMP2:%.*]] = xor i32 [[TMP1]], [[TMP8]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[TMP2]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.ctlz.i32(i32 [[TMP8]], i1 true) |
| ; CHECK-NEXT: [[TMP5:%.*]] = sub i32 32, [[TMP4]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = sub i32 31, [[TMP4]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp sgt i32 [[TMP5]], 24 |
| ; CHECK-NEXT: br i1 [[TMP7]], label %[[ITOFP_IF_THEN4:.*]], label %[[ITOFP_IF_ELSE:.*]] |
| ; CHECK: [[ITOFP_IF_THEN4]]: |
| ; CHECK-NEXT: switch i32 [[TMP5]], label %[[ITOFP_SW_DEFAULT:.*]] [ |
| ; CHECK-NEXT: i32 25, label %[[ITOFP_SW_BB:.*]] |
| ; CHECK-NEXT: i32 26, label %[[ITOFP_SW_EPILOG:.*]] |
| ; CHECK-NEXT: ] |
| ; CHECK: [[ITOFP_SW_BB]]: |
| ; CHECK-NEXT: [[TMP41:%.*]] = shl i32 [[TMP8]], 1 |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_DEFAULT]]: |
| ; CHECK-NEXT: [[TMP9:%.*]] = sub i32 6, [[TMP4]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = lshr i32 [[TMP8]], [[TMP9]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = add i32 [[TMP4]], 26 |
| ; CHECK-NEXT: [[TMP12:%.*]] = lshr i32 -1, [[TMP11]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = and i32 [[TMP12]], [[TMP8]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0 |
| ; CHECK-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32 |
| ; CHECK-NEXT: [[TMP16:%.*]] = or i32 [[TMP10]], [[TMP15]] |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_EPILOG]]: |
| ; CHECK-NEXT: [[TMP17:%.*]] = phi i32 [ [[TMP16]], %[[ITOFP_SW_DEFAULT]] ], [ [[TMP8]], %[[ITOFP_IF_THEN4]] ], [ [[TMP41]], %[[ITOFP_SW_BB]] ] |
| ; CHECK-NEXT: [[TMP18:%.*]] = lshr i32 [[TMP17]], 2 |
| ; CHECK-NEXT: [[TMP19:%.*]] = and i32 [[TMP18]], 1 |
| ; CHECK-NEXT: [[TMP20:%.*]] = or i32 [[TMP17]], [[TMP19]] |
| ; CHECK-NEXT: [[TMP21:%.*]] = add i32 [[TMP20]], 1 |
| ; CHECK-NEXT: [[TMP22:%.*]] = lshr i32 [[TMP21]], 2 |
| ; CHECK-NEXT: [[A3:%.*]] = and i32 [[TMP21]], 67108864 |
| ; CHECK-NEXT: [[TMP23:%.*]] = icmp eq i32 [[A3]], 0 |
| ; CHECK-NEXT: [[TMP24:%.*]] = lshr i32 [[TMP22]], 32 |
| ; CHECK-NEXT: br i1 [[TMP23]], label %[[ITOFP_IF_END26:.*]], label %[[ITOFP_IF_THEN20:.*]] |
| ; CHECK: [[ITOFP_IF_THEN20]]: |
| ; CHECK-NEXT: [[TMP25:%.*]] = lshr i32 [[TMP21]], 3 |
| ; CHECK-NEXT: [[TMP26:%.*]] = lshr i32 [[TMP25]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_ELSE]]: |
| ; CHECK-NEXT: [[TMP27:%.*]] = add i32 [[TMP4]], -8 |
| ; CHECK-NEXT: [[TMP28:%.*]] = shl i32 [[TMP8]], [[TMP27]] |
| ; CHECK-NEXT: [[TMP29:%.*]] = lshr i32 [[TMP28]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_END26]]: |
| ; CHECK-NEXT: [[TMP30:%.*]] = phi i32 [ [[TMP25]], %[[ITOFP_IF_THEN20]] ], [ [[TMP22]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP28]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP31:%.*]] = phi i32 [ [[TMP5]], %[[ITOFP_IF_THEN20]] ], [ [[TMP6]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP6]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP32:%.*]] = and i32 [[TMP1]], -2147483648 |
| ; CHECK-NEXT: [[TMP33:%.*]] = shl i32 [[TMP31]], 23 |
| ; CHECK-NEXT: [[TMP34:%.*]] = add i32 [[TMP33]], 1065353216 |
| ; CHECK-NEXT: [[TMP35:%.*]] = and i32 [[TMP30]], 8388607 |
| ; CHECK-NEXT: [[TMP36:%.*]] = or i32 [[TMP35]], [[TMP32]] |
| ; CHECK-NEXT: [[TMP37:%.*]] = or i32 [[TMP35]], [[TMP34]] |
| ; CHECK-NEXT: [[TMP38:%.*]] = bitcast i32 [[TMP37]] to float |
| ; CHECK-NEXT: [[TMP39:%.*]] = fptrunc float [[TMP38]] to half |
| ; CHECK-NEXT: br label %[[ITOFP_RETURN]] |
| ; CHECK: [[ITOFP_RETURN]]: |
| ; CHECK-NEXT: [[TMP40:%.*]] = phi half [ [[TMP39]], %[[ITOFP_IF_END26]] ], [ 0.000000e+00, %[[ITOFP_ENTRY]] ] |
| ; CHECK-NEXT: ret half [[TMP40]] |
| ; |
| %res = uitofp i32 %x to half |
| ret half %res |
| } |
| |
| define half @uitofp_i32_f16_noundef(i32 noundef %x) { |
| ; CHECK-LABEL: define half @uitofp_i32_f16_noundef( |
| ; CHECK-SAME: i32 noundef [[X:%.*]]) { |
| ; CHECK-NEXT: [[ITOFP_ENTRY:.*]]: |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[X]], 0 |
| ; CHECK-NEXT: br i1 [[TMP0]], label %[[ITOFP_RETURN:.*]], label %[[ITOFP_IF_END:.*]] |
| ; CHECK: [[ITOFP_IF_END]]: |
| ; CHECK-NEXT: [[TMP1:%.*]] = ashr i32 [[X]], 31 |
| ; CHECK-NEXT: [[TMP2:%.*]] = xor i32 [[TMP1]], [[X]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[TMP2]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X]], i1 true) |
| ; CHECK-NEXT: [[TMP5:%.*]] = sub i32 32, [[TMP4]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = sub i32 31, [[TMP4]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp sgt i32 [[TMP5]], 24 |
| ; CHECK-NEXT: br i1 [[TMP7]], label %[[ITOFP_IF_THEN4:.*]], label %[[ITOFP_IF_ELSE:.*]] |
| ; CHECK: [[ITOFP_IF_THEN4]]: |
| ; CHECK-NEXT: switch i32 [[TMP5]], label %[[ITOFP_SW_DEFAULT:.*]] [ |
| ; CHECK-NEXT: i32 25, label %[[ITOFP_SW_BB:.*]] |
| ; CHECK-NEXT: i32 26, label %[[ITOFP_SW_EPILOG:.*]] |
| ; CHECK-NEXT: ] |
| ; CHECK: [[ITOFP_SW_BB]]: |
| ; CHECK-NEXT: [[TMP8:%.*]] = shl i32 [[X]], 1 |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_DEFAULT]]: |
| ; CHECK-NEXT: [[TMP9:%.*]] = sub i32 6, [[TMP4]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = lshr i32 [[X]], [[TMP9]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = add i32 [[TMP4]], 26 |
| ; CHECK-NEXT: [[TMP12:%.*]] = lshr i32 -1, [[TMP11]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = and i32 [[TMP12]], [[X]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0 |
| ; CHECK-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32 |
| ; CHECK-NEXT: [[TMP16:%.*]] = or i32 [[TMP10]], [[TMP15]] |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_EPILOG]]: |
| ; CHECK-NEXT: [[TMP17:%.*]] = phi i32 [ [[TMP16]], %[[ITOFP_SW_DEFAULT]] ], [ [[X]], %[[ITOFP_IF_THEN4]] ], [ [[TMP8]], %[[ITOFP_SW_BB]] ] |
| ; CHECK-NEXT: [[TMP18:%.*]] = lshr i32 [[TMP17]], 2 |
| ; CHECK-NEXT: [[TMP19:%.*]] = and i32 [[TMP18]], 1 |
| ; CHECK-NEXT: [[TMP20:%.*]] = or i32 [[TMP17]], [[TMP19]] |
| ; CHECK-NEXT: [[TMP21:%.*]] = add i32 [[TMP20]], 1 |
| ; CHECK-NEXT: [[TMP22:%.*]] = lshr i32 [[TMP21]], 2 |
| ; CHECK-NEXT: [[A3:%.*]] = and i32 [[TMP21]], 67108864 |
| ; CHECK-NEXT: [[TMP23:%.*]] = icmp eq i32 [[A3]], 0 |
| ; CHECK-NEXT: [[TMP24:%.*]] = lshr i32 [[TMP22]], 32 |
| ; CHECK-NEXT: br i1 [[TMP23]], label %[[ITOFP_IF_END26:.*]], label %[[ITOFP_IF_THEN20:.*]] |
| ; CHECK: [[ITOFP_IF_THEN20]]: |
| ; CHECK-NEXT: [[TMP25:%.*]] = lshr i32 [[TMP21]], 3 |
| ; CHECK-NEXT: [[TMP26:%.*]] = lshr i32 [[TMP25]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_ELSE]]: |
| ; CHECK-NEXT: [[TMP27:%.*]] = add i32 [[TMP4]], -8 |
| ; CHECK-NEXT: [[TMP28:%.*]] = shl i32 [[X]], [[TMP27]] |
| ; CHECK-NEXT: [[TMP29:%.*]] = lshr i32 [[TMP28]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_END26]]: |
| ; CHECK-NEXT: [[TMP30:%.*]] = phi i32 [ [[TMP25]], %[[ITOFP_IF_THEN20]] ], [ [[TMP22]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP28]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP31:%.*]] = phi i32 [ [[TMP5]], %[[ITOFP_IF_THEN20]] ], [ [[TMP6]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP6]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP32:%.*]] = and i32 [[TMP1]], -2147483648 |
| ; CHECK-NEXT: [[TMP33:%.*]] = shl i32 [[TMP31]], 23 |
| ; CHECK-NEXT: [[TMP34:%.*]] = add i32 [[TMP33]], 1065353216 |
| ; CHECK-NEXT: [[TMP35:%.*]] = and i32 [[TMP30]], 8388607 |
| ; CHECK-NEXT: [[TMP36:%.*]] = or i32 [[TMP35]], [[TMP32]] |
| ; CHECK-NEXT: [[TMP37:%.*]] = or i32 [[TMP35]], [[TMP34]] |
| ; CHECK-NEXT: [[TMP38:%.*]] = bitcast i32 [[TMP37]] to float |
| ; CHECK-NEXT: [[TMP39:%.*]] = fptrunc float [[TMP38]] to half |
| ; CHECK-NEXT: br label %[[ITOFP_RETURN]] |
| ; CHECK: [[ITOFP_RETURN]]: |
| ; CHECK-NEXT: [[TMP40:%.*]] = phi half [ [[TMP39]], %[[ITOFP_IF_END26]] ], [ 0.000000e+00, %[[ITOFP_ENTRY]] ] |
| ; CHECK-NEXT: ret half [[TMP40]] |
| ; |
| %res = uitofp i32 %x to half |
| ret half %res |
| } |
| |
| define half @uitofp_i16_f16(i16 %x) { |
| ; CHECK-LABEL: define half @uitofp_i16_f16( |
| ; CHECK-SAME: i16 [[X:%.*]]) { |
| ; CHECK-NEXT: [[ITOFP_ENTRY:.*]]: |
| ; CHECK-NEXT: [[TMP42:%.*]] = freeze i16 [[X]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = zext i16 [[TMP42]] to i32 |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i32 [[TMP0]], 0 |
| ; CHECK-NEXT: br i1 [[TMP1]], label %[[ITOFP_RETURN:.*]], label %[[ITOFP_IF_END:.*]] |
| ; CHECK: [[ITOFP_IF_END]]: |
| ; CHECK-NEXT: [[TMP2:%.*]] = ashr i32 [[TMP0]], 31 |
| ; CHECK-NEXT: [[TMP3:%.*]] = xor i32 [[TMP2]], [[TMP0]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = sub i32 [[TMP3]], [[TMP2]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.ctlz.i32(i32 [[TMP0]], i1 true) |
| ; CHECK-NEXT: [[TMP6:%.*]] = sub i32 32, [[TMP5]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = sub i32 31, [[TMP5]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = icmp sgt i32 [[TMP6]], 24 |
| ; CHECK-NEXT: br i1 [[TMP8]], label %[[ITOFP_IF_THEN4:.*]], label %[[ITOFP_IF_ELSE:.*]] |
| ; CHECK: [[ITOFP_IF_THEN4]]: |
| ; CHECK-NEXT: switch i32 [[TMP6]], label %[[ITOFP_SW_DEFAULT:.*]] [ |
| ; CHECK-NEXT: i32 25, label %[[ITOFP_SW_BB:.*]] |
| ; CHECK-NEXT: i32 26, label %[[ITOFP_SW_EPILOG:.*]] |
| ; CHECK-NEXT: ] |
| ; CHECK: [[ITOFP_SW_BB]]: |
| ; CHECK-NEXT: [[TMP9:%.*]] = shl i32 [[TMP0]], 1 |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_DEFAULT]]: |
| ; CHECK-NEXT: [[TMP10:%.*]] = sub i32 6, [[TMP5]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = lshr i32 [[TMP0]], [[TMP10]] |
| ; CHECK-NEXT: [[TMP12:%.*]] = add i32 [[TMP5]], 26 |
| ; CHECK-NEXT: [[TMP13:%.*]] = lshr i32 -1, [[TMP12]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = and i32 [[TMP13]], [[TMP0]] |
| ; CHECK-NEXT: [[TMP15:%.*]] = icmp ne i32 [[TMP14]], 0 |
| ; CHECK-NEXT: [[TMP16:%.*]] = zext i1 [[TMP15]] to i32 |
| ; CHECK-NEXT: [[TMP17:%.*]] = or i32 [[TMP11]], [[TMP16]] |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_EPILOG]]: |
| ; CHECK-NEXT: [[TMP18:%.*]] = phi i32 [ [[TMP17]], %[[ITOFP_SW_DEFAULT]] ], [ [[TMP0]], %[[ITOFP_IF_THEN4]] ], [ [[TMP9]], %[[ITOFP_SW_BB]] ] |
| ; CHECK-NEXT: [[TMP19:%.*]] = lshr i32 [[TMP18]], 2 |
| ; CHECK-NEXT: [[TMP20:%.*]] = and i32 [[TMP19]], 1 |
| ; CHECK-NEXT: [[TMP21:%.*]] = or i32 [[TMP18]], [[TMP20]] |
| ; CHECK-NEXT: [[TMP22:%.*]] = add i32 [[TMP21]], 1 |
| ; CHECK-NEXT: [[TMP23:%.*]] = lshr i32 [[TMP22]], 2 |
| ; CHECK-NEXT: [[A3:%.*]] = and i32 [[TMP22]], 67108864 |
| ; CHECK-NEXT: [[TMP24:%.*]] = icmp eq i32 [[A3]], 0 |
| ; CHECK-NEXT: [[TMP25:%.*]] = lshr i32 [[TMP23]], 32 |
| ; CHECK-NEXT: br i1 [[TMP24]], label %[[ITOFP_IF_END26:.*]], label %[[ITOFP_IF_THEN20:.*]] |
| ; CHECK: [[ITOFP_IF_THEN20]]: |
| ; CHECK-NEXT: [[TMP26:%.*]] = lshr i32 [[TMP22]], 3 |
| ; CHECK-NEXT: [[TMP27:%.*]] = lshr i32 [[TMP26]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_ELSE]]: |
| ; CHECK-NEXT: [[TMP28:%.*]] = add i32 [[TMP5]], -8 |
| ; CHECK-NEXT: [[TMP29:%.*]] = shl i32 [[TMP0]], [[TMP28]] |
| ; CHECK-NEXT: [[TMP30:%.*]] = lshr i32 [[TMP29]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_END26]]: |
| ; CHECK-NEXT: [[TMP31:%.*]] = phi i32 [ [[TMP26]], %[[ITOFP_IF_THEN20]] ], [ [[TMP23]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP29]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP32:%.*]] = phi i32 [ [[TMP6]], %[[ITOFP_IF_THEN20]] ], [ [[TMP7]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP7]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP33:%.*]] = and i32 [[TMP2]], -2147483648 |
| ; CHECK-NEXT: [[TMP34:%.*]] = shl i32 [[TMP32]], 23 |
| ; CHECK-NEXT: [[TMP35:%.*]] = add i32 [[TMP34]], 1065353216 |
| ; CHECK-NEXT: [[TMP36:%.*]] = and i32 [[TMP31]], 8388607 |
| ; CHECK-NEXT: [[TMP37:%.*]] = or i32 [[TMP36]], [[TMP33]] |
| ; CHECK-NEXT: [[TMP38:%.*]] = or i32 [[TMP36]], [[TMP35]] |
| ; CHECK-NEXT: [[TMP39:%.*]] = bitcast i32 [[TMP38]] to float |
| ; CHECK-NEXT: [[TMP40:%.*]] = fptrunc float [[TMP39]] to half |
| ; CHECK-NEXT: br label %[[ITOFP_RETURN]] |
| ; CHECK: [[ITOFP_RETURN]]: |
| ; CHECK-NEXT: [[TMP41:%.*]] = phi half [ [[TMP40]], %[[ITOFP_IF_END26]] ], [ 0.000000e+00, %[[ITOFP_ENTRY]] ] |
| ; CHECK-NEXT: ret half [[TMP41]] |
| ; |
| %res = uitofp i16 %x to half |
| ret half %res |
| } |
| |
| define half @sitofp_i32_f16(i32 %x) { |
| ; CHECK-LABEL: define half @sitofp_i32_f16( |
| ; CHECK-SAME: i32 [[X:%.*]]) { |
| ; CHECK-NEXT: [[ITOFP_ENTRY:.*]]: |
| ; CHECK-NEXT: [[TMP41:%.*]] = freeze i32 [[X]] |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[TMP41]], 0 |
| ; CHECK-NEXT: br i1 [[TMP0]], label %[[ITOFP_RETURN:.*]], label %[[ITOFP_IF_END:.*]] |
| ; CHECK: [[ITOFP_IF_END]]: |
| ; CHECK-NEXT: [[TMP1:%.*]] = ashr i32 [[TMP41]], 31 |
| ; CHECK-NEXT: [[TMP2:%.*]] = xor i32 [[TMP1]], [[TMP41]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = sub i32 [[TMP2]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.ctlz.i32(i32 [[TMP3]], i1 true) |
| ; CHECK-NEXT: [[TMP5:%.*]] = sub i32 32, [[TMP4]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = sub i32 31, [[TMP4]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp sgt i32 [[TMP5]], 24 |
| ; CHECK-NEXT: br i1 [[TMP7]], label %[[ITOFP_IF_THEN4:.*]], label %[[ITOFP_IF_ELSE:.*]] |
| ; CHECK: [[ITOFP_IF_THEN4]]: |
| ; CHECK-NEXT: switch i32 [[TMP5]], label %[[ITOFP_SW_DEFAULT:.*]] [ |
| ; CHECK-NEXT: i32 25, label %[[ITOFP_SW_BB:.*]] |
| ; CHECK-NEXT: i32 26, label %[[ITOFP_SW_EPILOG:.*]] |
| ; CHECK-NEXT: ] |
| ; CHECK: [[ITOFP_SW_BB]]: |
| ; CHECK-NEXT: [[TMP8:%.*]] = shl i32 [[TMP3]], 1 |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_DEFAULT]]: |
| ; CHECK-NEXT: [[TMP9:%.*]] = sub i32 6, [[TMP4]] |
| ; CHECK-NEXT: [[TMP10:%.*]] = lshr i32 [[TMP3]], [[TMP9]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = add i32 [[TMP4]], 26 |
| ; CHECK-NEXT: [[TMP12:%.*]] = lshr i32 -1, [[TMP11]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = and i32 [[TMP12]], [[TMP3]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = icmp ne i32 [[TMP13]], 0 |
| ; CHECK-NEXT: [[TMP15:%.*]] = zext i1 [[TMP14]] to i32 |
| ; CHECK-NEXT: [[TMP16:%.*]] = or i32 [[TMP10]], [[TMP15]] |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_EPILOG]]: |
| ; CHECK-NEXT: [[TMP17:%.*]] = phi i32 [ [[TMP16]], %[[ITOFP_SW_DEFAULT]] ], [ [[TMP3]], %[[ITOFP_IF_THEN4]] ], [ [[TMP8]], %[[ITOFP_SW_BB]] ] |
| ; CHECK-NEXT: [[TMP18:%.*]] = lshr i32 [[TMP17]], 2 |
| ; CHECK-NEXT: [[TMP19:%.*]] = and i32 [[TMP18]], 1 |
| ; CHECK-NEXT: [[TMP20:%.*]] = or i32 [[TMP17]], [[TMP19]] |
| ; CHECK-NEXT: [[TMP21:%.*]] = add i32 [[TMP20]], 1 |
| ; CHECK-NEXT: [[TMP22:%.*]] = ashr i32 [[TMP21]], 2 |
| ; CHECK-NEXT: [[A3:%.*]] = and i32 [[TMP21]], 67108864 |
| ; CHECK-NEXT: [[TMP23:%.*]] = icmp eq i32 [[A3]], 0 |
| ; CHECK-NEXT: [[TMP24:%.*]] = lshr i32 [[TMP22]], 32 |
| ; CHECK-NEXT: br i1 [[TMP23]], label %[[ITOFP_IF_END26:.*]], label %[[ITOFP_IF_THEN20:.*]] |
| ; CHECK: [[ITOFP_IF_THEN20]]: |
| ; CHECK-NEXT: [[TMP25:%.*]] = ashr i32 [[TMP21]], 3 |
| ; CHECK-NEXT: [[TMP26:%.*]] = lshr i32 [[TMP25]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_ELSE]]: |
| ; CHECK-NEXT: [[TMP27:%.*]] = add i32 [[TMP4]], -8 |
| ; CHECK-NEXT: [[TMP28:%.*]] = shl i32 [[TMP3]], [[TMP27]] |
| ; CHECK-NEXT: [[TMP29:%.*]] = lshr i32 [[TMP28]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_END26]]: |
| ; CHECK-NEXT: [[TMP30:%.*]] = phi i32 [ [[TMP25]], %[[ITOFP_IF_THEN20]] ], [ [[TMP22]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP28]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP31:%.*]] = phi i32 [ [[TMP5]], %[[ITOFP_IF_THEN20]] ], [ [[TMP6]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP6]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP32:%.*]] = and i32 [[TMP1]], -2147483648 |
| ; CHECK-NEXT: [[TMP33:%.*]] = shl i32 [[TMP31]], 23 |
| ; CHECK-NEXT: [[TMP34:%.*]] = add i32 [[TMP33]], 1065353216 |
| ; CHECK-NEXT: [[TMP35:%.*]] = and i32 [[TMP30]], 8388607 |
| ; CHECK-NEXT: [[TMP36:%.*]] = or i32 [[TMP35]], [[TMP32]] |
| ; CHECK-NEXT: [[TMP37:%.*]] = or i32 [[TMP36]], [[TMP34]] |
| ; CHECK-NEXT: [[TMP38:%.*]] = bitcast i32 [[TMP37]] to float |
| ; CHECK-NEXT: [[TMP39:%.*]] = fptrunc float [[TMP38]] to half |
| ; CHECK-NEXT: br label %[[ITOFP_RETURN]] |
| ; CHECK: [[ITOFP_RETURN]]: |
| ; CHECK-NEXT: [[TMP40:%.*]] = phi half [ [[TMP39]], %[[ITOFP_IF_END26]] ], [ 0.000000e+00, %[[ITOFP_ENTRY]] ] |
| ; CHECK-NEXT: ret half [[TMP40]] |
| ; |
| %res = sitofp i32 %x to half |
| ret half %res |
| } |
| |
| define half @sitofp_i16_f16(i16 %x) { |
| ; CHECK-LABEL: define half @sitofp_i16_f16( |
| ; CHECK-SAME: i16 [[X:%.*]]) { |
| ; CHECK-NEXT: [[ITOFP_ENTRY:.*]]: |
| ; CHECK-NEXT: [[TMP42:%.*]] = freeze i16 [[X]] |
| ; CHECK-NEXT: [[TMP1:%.*]] = sext i16 [[TMP42]] to i32 |
| ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[TMP1]], 0 |
| ; CHECK-NEXT: br i1 [[TMP0]], label %[[ITOFP_RETURN:.*]], label %[[ITOFP_IF_END:.*]] |
| ; CHECK: [[ITOFP_IF_END]]: |
| ; CHECK-NEXT: [[TMP2:%.*]] = ashr i32 [[TMP1]], 31 |
| ; CHECK-NEXT: [[TMP3:%.*]] = xor i32 [[TMP2]], [[TMP1]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = sub i32 [[TMP3]], [[TMP2]] |
| ; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.ctlz.i32(i32 [[TMP4]], i1 true) |
| ; CHECK-NEXT: [[TMP6:%.*]] = sub i32 32, [[TMP5]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = sub i32 31, [[TMP5]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp sgt i32 [[TMP6]], 24 |
| ; CHECK-NEXT: br i1 [[TMP7]], label %[[ITOFP_IF_THEN4:.*]], label %[[ITOFP_IF_ELSE:.*]] |
| ; CHECK: [[ITOFP_IF_THEN4]]: |
| ; CHECK-NEXT: switch i32 [[TMP6]], label %[[ITOFP_SW_DEFAULT:.*]] [ |
| ; CHECK-NEXT: i32 25, label %[[ITOFP_SW_BB:.*]] |
| ; CHECK-NEXT: i32 26, label %[[ITOFP_SW_EPILOG:.*]] |
| ; CHECK-NEXT: ] |
| ; CHECK: [[ITOFP_SW_BB]]: |
| ; CHECK-NEXT: [[TMP9:%.*]] = shl i32 [[TMP4]], 1 |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_DEFAULT]]: |
| ; CHECK-NEXT: [[TMP10:%.*]] = sub i32 6, [[TMP5]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = lshr i32 [[TMP4]], [[TMP10]] |
| ; CHECK-NEXT: [[TMP12:%.*]] = add i32 [[TMP5]], 26 |
| ; CHECK-NEXT: [[TMP13:%.*]] = lshr i32 -1, [[TMP12]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = and i32 [[TMP13]], [[TMP4]] |
| ; CHECK-NEXT: [[TMP15:%.*]] = icmp ne i32 [[TMP14]], 0 |
| ; CHECK-NEXT: [[TMP16:%.*]] = zext i1 [[TMP15]] to i32 |
| ; CHECK-NEXT: [[TMP17:%.*]] = or i32 [[TMP11]], [[TMP16]] |
| ; CHECK-NEXT: br label %[[ITOFP_SW_EPILOG]] |
| ; CHECK: [[ITOFP_SW_EPILOG]]: |
| ; CHECK-NEXT: [[TMP18:%.*]] = phi i32 [ [[TMP17]], %[[ITOFP_SW_DEFAULT]] ], [ [[TMP4]], %[[ITOFP_IF_THEN4]] ], [ [[TMP9]], %[[ITOFP_SW_BB]] ] |
| ; CHECK-NEXT: [[TMP19:%.*]] = lshr i32 [[TMP18]], 2 |
| ; CHECK-NEXT: [[TMP20:%.*]] = and i32 [[TMP19]], 1 |
| ; CHECK-NEXT: [[TMP21:%.*]] = or i32 [[TMP18]], [[TMP20]] |
| ; CHECK-NEXT: [[TMP22:%.*]] = add i32 [[TMP21]], 1 |
| ; CHECK-NEXT: [[TMP24:%.*]] = ashr i32 [[TMP22]], 2 |
| ; CHECK-NEXT: [[A3:%.*]] = and i32 [[TMP22]], 67108864 |
| ; CHECK-NEXT: [[TMP23:%.*]] = icmp eq i32 [[A3]], 0 |
| ; CHECK-NEXT: [[TMP25:%.*]] = lshr i32 [[TMP24]], 32 |
| ; CHECK-NEXT: br i1 [[TMP23]], label %[[ITOFP_IF_END26:.*]], label %[[ITOFP_IF_THEN20:.*]] |
| ; CHECK: [[ITOFP_IF_THEN20]]: |
| ; CHECK-NEXT: [[TMP26:%.*]] = ashr i32 [[TMP22]], 3 |
| ; CHECK-NEXT: [[TMP27:%.*]] = lshr i32 [[TMP26]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_ELSE]]: |
| ; CHECK-NEXT: [[TMP28:%.*]] = add i32 [[TMP5]], -8 |
| ; CHECK-NEXT: [[TMP29:%.*]] = shl i32 [[TMP4]], [[TMP28]] |
| ; CHECK-NEXT: [[TMP30:%.*]] = lshr i32 [[TMP29]], 32 |
| ; CHECK-NEXT: br label %[[ITOFP_IF_END26]] |
| ; CHECK: [[ITOFP_IF_END26]]: |
| ; CHECK-NEXT: [[TMP31:%.*]] = phi i32 [ [[TMP26]], %[[ITOFP_IF_THEN20]] ], [ [[TMP24]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP29]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP32:%.*]] = phi i32 [ [[TMP6]], %[[ITOFP_IF_THEN20]] ], [ [[TMP8]], %[[ITOFP_SW_EPILOG]] ], [ [[TMP8]], %[[ITOFP_IF_ELSE]] ] |
| ; CHECK-NEXT: [[TMP33:%.*]] = and i32 [[TMP2]], -2147483648 |
| ; CHECK-NEXT: [[TMP34:%.*]] = shl i32 [[TMP32]], 23 |
| ; CHECK-NEXT: [[TMP35:%.*]] = add i32 [[TMP34]], 1065353216 |
| ; CHECK-NEXT: [[TMP36:%.*]] = and i32 [[TMP31]], 8388607 |
| ; CHECK-NEXT: [[TMP37:%.*]] = or i32 [[TMP36]], [[TMP33]] |
| ; CHECK-NEXT: [[TMP41:%.*]] = or i32 [[TMP37]], [[TMP35]] |
| ; CHECK-NEXT: [[TMP38:%.*]] = bitcast i32 [[TMP41]] to float |
| ; CHECK-NEXT: [[TMP39:%.*]] = fptrunc float [[TMP38]] to half |
| ; CHECK-NEXT: br label %[[ITOFP_RETURN]] |
| ; CHECK: [[ITOFP_RETURN]]: |
| ; CHECK-NEXT: [[TMP40:%.*]] = phi half [ [[TMP39]], %[[ITOFP_IF_END26]] ], [ 0.000000e+00, %[[ITOFP_ENTRY]] ] |
| ; CHECK-NEXT: ret half [[TMP40]] |
| ; |
| %res = sitofp i16 %x to half |
| ret half %res |
| } |
