| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -disable-wasm-fallthrough-return-opt -wasm-keep-registers | FileCheck %s |
| |
| ; Test that basic 32-bit floating-point comparison operations assemble as |
| ; expected. |
| |
| target triple = "wasm32-unknown-unknown" |
| |
| define i32 @ord_f32(float %x, float %y) { |
| ; CHECK-LABEL: ord_f32: |
| ; CHECK: .functype ord_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push4=, 0 |
| ; CHECK-NEXT: local.get $push3=, 0 |
| ; CHECK-NEXT: f32.eq $push1=, $pop4, $pop3 |
| ; CHECK-NEXT: local.get $push6=, 1 |
| ; CHECK-NEXT: local.get $push5=, 1 |
| ; CHECK-NEXT: f32.eq $push0=, $pop6, $pop5 |
| ; CHECK-NEXT: i32.and $push2=, $pop1, $pop0 |
| ; CHECK-NEXT: return $pop2 |
| %a = fcmp ord float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @uno_f32(float %x, float %y) { |
| ; CHECK-LABEL: uno_f32: |
| ; CHECK: .functype uno_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push4=, 0 |
| ; CHECK-NEXT: local.get $push3=, 0 |
| ; CHECK-NEXT: f32.ne $push1=, $pop4, $pop3 |
| ; CHECK-NEXT: local.get $push6=, 1 |
| ; CHECK-NEXT: local.get $push5=, 1 |
| ; CHECK-NEXT: f32.ne $push0=, $pop6, $pop5 |
| ; CHECK-NEXT: i32.or $push2=, $pop1, $pop0 |
| ; CHECK-NEXT: return $pop2 |
| %a = fcmp uno float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @oeq_f32(float %x, float %y) { |
| ; CHECK-LABEL: oeq_f32: |
| ; CHECK: .functype oeq_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.eq $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: return $pop0 |
| %a = fcmp oeq float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @une_f32(float %x, float %y) { |
| ; CHECK-LABEL: une_f32: |
| ; CHECK: .functype une_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.ne $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: return $pop0 |
| %a = fcmp une float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @olt_f32(float %x, float %y) { |
| ; CHECK-LABEL: olt_f32: |
| ; CHECK: .functype olt_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.lt $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: return $pop0 |
| %a = fcmp olt float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @ole_f32(float %x, float %y) { |
| ; CHECK-LABEL: ole_f32: |
| ; CHECK: .functype ole_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.le $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: return $pop0 |
| %a = fcmp ole float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @ogt_f32(float %x, float %y) { |
| ; CHECK-LABEL: ogt_f32: |
| ; CHECK: .functype ogt_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.gt $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: return $pop0 |
| %a = fcmp ogt float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @oge_f32(float %x, float %y) { |
| ; CHECK-LABEL: oge_f32: |
| ; CHECK: .functype oge_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.ge $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: return $pop0 |
| %a = fcmp oge float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| ; Expanded comparisons, which also check for NaN. |
| ; These simply rely on SDAG's Expand cond code action. |
| |
| define i32 @ueq_f32(float %x, float %y) { |
| ; CHECK-LABEL: ueq_f32: |
| ; CHECK: .functype ueq_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push6=, 0 |
| ; CHECK-NEXT: local.get $push5=, 1 |
| ; CHECK-NEXT: f32.gt $push1=, $pop6, $pop5 |
| ; CHECK-NEXT: local.get $push8=, 0 |
| ; CHECK-NEXT: local.get $push7=, 1 |
| ; CHECK-NEXT: f32.lt $push0=, $pop8, $pop7 |
| ; CHECK-NEXT: i32.or $push2=, $pop1, $pop0 |
| ; CHECK-NEXT: i32.const $push3=, 1 |
| ; CHECK-NEXT: i32.xor $push4=, $pop2, $pop3 |
| ; CHECK-NEXT: return $pop4 |
| %a = fcmp ueq float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @one_f32(float %x, float %y) { |
| ; CHECK-LABEL: one_f32: |
| ; CHECK: .functype one_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push4=, 0 |
| ; CHECK-NEXT: local.get $push3=, 1 |
| ; CHECK-NEXT: f32.gt $push1=, $pop4, $pop3 |
| ; CHECK-NEXT: local.get $push6=, 0 |
| ; CHECK-NEXT: local.get $push5=, 1 |
| ; CHECK-NEXT: f32.lt $push0=, $pop6, $pop5 |
| ; CHECK-NEXT: i32.or $push2=, $pop1, $pop0 |
| ; CHECK-NEXT: return $pop2 |
| %a = fcmp one float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @ult_f32(float %x, float %y) { |
| ; CHECK-LABEL: ult_f32: |
| ; CHECK: .functype ult_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push4=, 0 |
| ; CHECK-NEXT: local.get $push3=, 1 |
| ; CHECK-NEXT: f32.ge $push0=, $pop4, $pop3 |
| ; CHECK-NEXT: i32.const $push1=, 1 |
| ; CHECK-NEXT: i32.xor $push2=, $pop0, $pop1 |
| ; CHECK-NEXT: return $pop2 |
| %a = fcmp ult float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @ule_f32(float %x, float %y) { |
| ; CHECK-LABEL: ule_f32: |
| ; CHECK: .functype ule_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push4=, 0 |
| ; CHECK-NEXT: local.get $push3=, 1 |
| ; CHECK-NEXT: f32.gt $push0=, $pop4, $pop3 |
| ; CHECK-NEXT: i32.const $push1=, 1 |
| ; CHECK-NEXT: i32.xor $push2=, $pop0, $pop1 |
| ; CHECK-NEXT: return $pop2 |
| %a = fcmp ule float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @ugt_f32(float %x, float %y) { |
| ; CHECK-LABEL: ugt_f32: |
| ; CHECK: .functype ugt_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push4=, 0 |
| ; CHECK-NEXT: local.get $push3=, 1 |
| ; CHECK-NEXT: f32.le $push0=, $pop4, $pop3 |
| ; CHECK-NEXT: i32.const $push1=, 1 |
| ; CHECK-NEXT: i32.xor $push2=, $pop0, $pop1 |
| ; CHECK-NEXT: return $pop2 |
| %a = fcmp ugt float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @uge_f32(float %x, float %y) { |
| ; CHECK-LABEL: uge_f32: |
| ; CHECK: .functype uge_f32 (f32, f32) -> (i32) |
| ; CHECK-NEXT: # %bb.0: |
| ; CHECK-NEXT: local.get $push4=, 0 |
| ; CHECK-NEXT: local.get $push3=, 1 |
| ; CHECK-NEXT: f32.lt $push0=, $pop4, $pop3 |
| ; CHECK-NEXT: i32.const $push1=, 1 |
| ; CHECK-NEXT: i32.xor $push2=, $pop0, $pop1 |
| ; CHECK-NEXT: return $pop2 |
| %a = fcmp uge float %x, %y |
| %b = zext i1 %a to i32 |
| ret i32 %b |
| } |
| |
| define void @olt_f32_branch(float %a, float %b) { |
| ; CHECK-LABEL: olt_f32_branch: |
| ; CHECK: .functype olt_f32_branch (f32, f32) -> () |
| ; CHECK-NEXT: # %bb.0: # %entry |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.lt $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: i32.eqz $push3=, $pop0 |
| ; CHECK-NEXT: br_if 0, $pop3 # 0: down to label0 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: call call1 |
| ; CHECK-NEXT: .LBB14_2: # %if.end |
| ; CHECK-NEXT: end_block # label0: |
| ; CHECK-NEXT: return |
| entry: |
| %cmp = fcmp olt float %a, %b |
| br i1 %cmp, label %if.then, label %if.end |
| |
| if.then: |
| tail call void @call1() |
| br label %if.end |
| |
| if.end: |
| ret void |
| } |
| |
| define void @ole_f32_branch(float %a, float %b) { |
| ; CHECK-LABEL: ole_f32_branch: |
| ; CHECK: .functype ole_f32_branch (f32, f32) -> () |
| ; CHECK-NEXT: # %bb.0: # %entry |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.le $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: i32.eqz $push3=, $pop0 |
| ; CHECK-NEXT: br_if 0, $pop3 # 0: down to label1 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: call call1 |
| ; CHECK-NEXT: .LBB15_2: # %if.end |
| ; CHECK-NEXT: end_block # label1: |
| ; CHECK-NEXT: return |
| entry: |
| %cmp = fcmp ole float %a, %b |
| br i1 %cmp, label %if.then, label %if.end |
| |
| if.then: |
| tail call void @call1() |
| br label %if.end |
| |
| if.end: |
| ret void |
| } |
| |
| define void @ugt_f32_branch(float %a, float %b) { |
| ; CHECK-LABEL: ugt_f32_branch: |
| ; CHECK: .functype ugt_f32_branch (f32, f32) -> () |
| ; CHECK-NEXT: # %bb.0: # %entry |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.le $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: i32.eqz $push3=, $pop0 |
| ; CHECK-NEXT: br_if 0, $pop3 # 0: down to label2 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: call call1 |
| ; CHECK-NEXT: .LBB16_2: # %if.end |
| ; CHECK-NEXT: end_block # label2: |
| ; CHECK-NEXT: return |
| entry: |
| %cmp = fcmp ugt float %a, %b |
| br i1 %cmp, label %if.end, label %if.then |
| |
| if.then: |
| tail call void @call1() |
| br label %if.end |
| |
| if.end: |
| ret void |
| } |
| |
| define void @ogt_f32_branch(float %a, float %b) { |
| ; CHECK-LABEL: ogt_f32_branch: |
| ; CHECK: .functype ogt_f32_branch (f32, f32) -> () |
| ; CHECK-NEXT: # %bb.0: # %entry |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.gt $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: i32.eqz $push3=, $pop0 |
| ; CHECK-NEXT: br_if 0, $pop3 # 0: down to label3 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: call call1 |
| ; CHECK-NEXT: .LBB17_2: # %if.end |
| ; CHECK-NEXT: end_block # label3: |
| ; CHECK-NEXT: return |
| entry: |
| %cmp = fcmp ogt float %a, %b |
| br i1 %cmp, label %if.then, label %if.end |
| |
| if.then: |
| tail call void @call1() |
| br label %if.end |
| |
| if.end: |
| ret void |
| } |
| |
| define void @ult_f32_branch(float %a, float %b) { |
| ; CHECK-LABEL: ult_f32_branch: |
| ; CHECK: .functype ult_f32_branch (f32, f32) -> () |
| ; CHECK-NEXT: # %bb.0: # %entry |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.ge $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: i32.eqz $push3=, $pop0 |
| ; CHECK-NEXT: br_if 0, $pop3 # 0: down to label4 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: call call1 |
| ; CHECK-NEXT: .LBB18_2: # %if.end |
| ; CHECK-NEXT: end_block # label4: |
| ; CHECK-NEXT: return |
| entry: |
| %cmp = fcmp ult float %a, %b |
| br i1 %cmp, label %if.end, label %if.then |
| |
| if.then: |
| tail call void @call1() |
| br label %if.end |
| |
| if.end: |
| ret void |
| } |
| |
| define void @ule_f32_branch(float %a, float %b) { |
| ; CHECK-LABEL: ule_f32_branch: |
| ; CHECK: .functype ule_f32_branch (f32, f32) -> () |
| ; CHECK-NEXT: # %bb.0: # %entry |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: local.get $push2=, 0 |
| ; CHECK-NEXT: local.get $push1=, 1 |
| ; CHECK-NEXT: f32.ge $push0=, $pop2, $pop1 |
| ; CHECK-NEXT: i32.eqz $push3=, $pop0 |
| ; CHECK-NEXT: br_if 0, $pop3 # 0: down to label5 |
| ; CHECK-NEXT: # %bb.1: # %if.then |
| ; CHECK-NEXT: call call1 |
| ; CHECK-NEXT: .LBB19_2: # %if.end |
| ; CHECK-NEXT: end_block # label5: |
| ; CHECK-NEXT: return |
| entry: |
| %cmp = fcmp ult float %a, %b |
| br i1 %cmp, label %if.end, label %if.then |
| |
| if.then: |
| tail call void @call1() |
| br label %if.end |
| |
| if.end: |
| ret void |
| } |
| |
| define void @xor_zext_switch(float %a, float %b) { |
| ; CHECK-LABEL: xor_zext_switch: |
| ; CHECK: .functype xor_zext_switch (f32, f32) -> () |
| ; CHECK-NEXT: # %bb.0: # %entry |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: i32.const $push1=, 0 |
| ; CHECK-NEXT: br_if 0, $pop1 # 0: down to label6 |
| ; CHECK-NEXT: # %bb.1: # %entry |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: local.get $push3=, 0 |
| ; CHECK-NEXT: local.get $push2=, 1 |
| ; CHECK-NEXT: f32.ge $push0=, $pop3, $pop2 |
| ; CHECK-NEXT: br_table $pop0, 0, 1, 0 # 0: down to label8 |
| ; CHECK-NEXT: # 1: down to label7 |
| ; CHECK-NEXT: .LBB20_2: # %sw.bb.1 |
| ; CHECK-NEXT: end_block # label8: |
| ; CHECK-NEXT: call foo1 |
| ; CHECK-NEXT: return |
| ; CHECK-NEXT: .LBB20_3: # %sw.bb.2 |
| ; CHECK-NEXT: end_block # label7: |
| ; CHECK-NEXT: call foo2 |
| ; CHECK-NEXT: .LBB20_4: # %exit |
| ; CHECK-NEXT: end_block # label6: |
| ; CHECK-NEXT: return |
| entry: |
| %cmp = fcmp ult float %a, %b |
| %zext = zext i1 %cmp to i32 |
| %xor = xor i32 %zext, 1 |
| switch i32 %xor, label %exit [ |
| i32 0, label %sw.bb.1 |
| i32 1, label %sw.bb.2 |
| ] |
| |
| sw.bb.1: |
| tail call void @foo1() |
| br label %exit |
| |
| sw.bb.2: |
| tail call void @foo2() |
| br label %exit |
| |
| exit: |
| ret void |
| } |
| |
| define void @xor_add_switch(float %a, float %b) { |
| ; CHECK-LABEL: xor_add_switch: |
| ; CHECK: .functype xor_add_switch (f32, f32) -> () |
| ; CHECK-NEXT: # %bb.0: # %entry |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: block |
| ; CHECK-NEXT: local.get $push8=, 0 |
| ; CHECK-NEXT: local.get $push7=, 1 |
| ; CHECK-NEXT: f32.ge $push1=, $pop8, $pop7 |
| ; CHECK-NEXT: i32.const $push2=, 1 |
| ; CHECK-NEXT: i32.xor $push3=, $pop1, $pop2 |
| ; CHECK-NEXT: i32.const $push6=, 1 |
| ; CHECK-NEXT: i32.add $push4=, $pop3, $pop6 |
| ; CHECK-NEXT: i32.const $push5=, 1 |
| ; CHECK-NEXT: i32.xor $push0=, $pop4, $pop5 |
| ; CHECK-NEXT: br_table $pop0, 0, 1, 2, 3 # 0: down to label12 |
| ; CHECK-NEXT: # 1: down to label11 |
| ; CHECK-NEXT: # 2: down to label10 |
| ; CHECK-NEXT: # 3: down to label9 |
| ; CHECK-NEXT: .LBB21_1: # %sw.bb.1 |
| ; CHECK-NEXT: end_block # label12: |
| ; CHECK-NEXT: call foo1 |
| ; CHECK-NEXT: return |
| ; CHECK-NEXT: .LBB21_2: # %sw.bb.2 |
| ; CHECK-NEXT: end_block # label11: |
| ; CHECK-NEXT: call foo2 |
| ; CHECK-NEXT: return |
| ; CHECK-NEXT: .LBB21_3: # %sw.bb.3 |
| ; CHECK-NEXT: end_block # label10: |
| ; CHECK-NEXT: call foo3 |
| ; CHECK-NEXT: .LBB21_4: # %exit |
| ; CHECK-NEXT: end_block # label9: |
| ; CHECK-NEXT: return |
| entry: |
| %cmp = fcmp ult float %a, %b |
| %zext = zext i1 %cmp to i32 |
| %add = add nsw nuw i32 %zext, 1 |
| %xor = xor i32 %add, 1 |
| switch i32 %xor, label %exit [ |
| i32 0, label %sw.bb.1 |
| i32 1, label %sw.bb.2 |
| i32 2, label %sw.bb.3 |
| ] |
| |
| sw.bb.1: |
| tail call void @foo1() |
| br label %exit |
| |
| sw.bb.2: |
| tail call void @foo2() |
| br label %exit |
| |
| sw.bb.3: |
| tail call void @foo3() |
| br label %exit |
| |
| exit: |
| ret void |
| } |
| |
| declare void @foo1() |
| declare void @foo2() |
| declare void @foo3() |
| declare void @call1() |