| ; RUN: opt -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+fp-armv8 -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-FP |
| ; RUN: opt -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+soft-float -hardware-loops %s -S -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SOFT |
| |
| ; CHECK-LABEL: test_fptosi |
| ; CHECK-SOFT-NOT: call i32 @llvm.start.loop.iterations |
| |
| ; CHECK: entry: |
| ; CHECK-FP: [[COUNT:%[^ ]+]] = call i32 @llvm.umax.i32(i32 %n, i32 1) |
| |
| ; CHECK: while.body.lr.ph: |
| ; CHECK-FP: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]]) |
| ; CHECK-FP-NEXT: br label %while.body |
| |
| ; CHECK-FP: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ] |
| ; CHECK-FP: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1) |
| ; CHECK-FP: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0 |
| ; CHECK-FP: br i1 [[CMP]], label %while.body, label %cleanup.loopexit |
| |
| define void @test_fptosi(i32 %n, i32** %g, double** %d) { |
| entry: |
| %n.off = add i32 %n, -1 |
| %0 = icmp ult i32 %n.off, 500 |
| br i1 %0, label %while.body.lr.ph, label %cleanup |
| |
| while.body.lr.ph: |
| %1 = load double*, double** %d, align 4 |
| %2 = load i32*, i32** %g, align 4 |
| br label %while.body |
| |
| while.body: |
| %i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ] |
| %rem = urem i32 %i.012, 10 |
| %tobool = icmp eq i32 %rem, 0 |
| br i1 %tobool, label %if.end4, label %if.then2 |
| |
| if.then2: |
| %arrayidx = getelementptr inbounds double, double* %1, i32 %i.012 |
| %3 = load double, double* %arrayidx, align 8 |
| %conv = fptosi double %3 to i32 |
| %arrayidx3 = getelementptr inbounds i32, i32* %2, i32 %i.012 |
| store i32 %conv, i32* %arrayidx3, align 4 |
| br label %if.end4 |
| |
| if.end4: |
| %inc = add nuw i32 %i.012, 1 |
| %cmp1 = icmp ult i32 %inc, %n |
| br i1 %cmp1, label %while.body, label %cleanup.loopexit |
| |
| cleanup.loopexit: |
| br label %cleanup |
| |
| cleanup: |
| ret void |
| } |
| |
| ; CHECK-LABEL: test_fptoui |
| ; CHECK: entry: |
| ; CHECK-FP: [[COUNT:%[^ ]+]] = call i32 @llvm.umax.i32(i32 %n, i32 1) |
| ; CHECK-FP: while.body.lr.ph: |
| ; CHECK-FP: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]]) |
| ; CHECK-FP-NEXT: br label %while.body |
| |
| ; CHECK-FP: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ] |
| ; CHECK-FP: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1) |
| ; CHECK-FP: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0 |
| ; CHECK-FP: br i1 [[CMP]], label %while.body, label %cleanup.loopexit |
| |
| ; CHECK-SOFT-NOT: call i32 @llvm.start.loop.iterations |
| |
| define void @test_fptoui(i32 %n, i32** %g, double** %d) { |
| entry: |
| %n.off = add i32 %n, -1 |
| %0 = icmp ult i32 %n.off, 500 |
| br i1 %0, label %while.body.lr.ph, label %cleanup |
| |
| while.body.lr.ph: |
| %1 = load double*, double** %d, align 4 |
| %2 = load i32*, i32** %g, align 4 |
| br label %while.body |
| |
| while.body: |
| %i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ] |
| %rem = urem i32 %i.012, 10 |
| %tobool = icmp eq i32 %rem, 0 |
| br i1 %tobool, label %if.end4, label %if.then2 |
| |
| if.then2: |
| %arrayidx = getelementptr inbounds double, double* %1, i32 %i.012 |
| %3 = load double, double* %arrayidx, align 8 |
| %conv = fptoui double %3 to i32 |
| %arrayidx3 = getelementptr inbounds i32, i32* %2, i32 %i.012 |
| store i32 %conv, i32* %arrayidx3, align 4 |
| br label %if.end4 |
| |
| if.end4: |
| %inc = add nuw i32 %i.012, 1 |
| %cmp1 = icmp ult i32 %inc, %n |
| br i1 %cmp1, label %while.body, label %cleanup.loopexit |
| |
| cleanup.loopexit: |
| br label %cleanup |
| |
| cleanup: |
| ret void |
| } |
| |
| ; CHECK-LABEL: load_store_float |
| ; CHECK: entry: |
| ; CHECK: [[COUNT:%[^ ]+]] = call i32 @llvm.umax.i32(i32 %n, i32 1) |
| ; CHECK: while.body.lr.ph: |
| ; CHECK: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]]) |
| ; CHECK-NEXT: br label %while.body |
| |
| ; CHECK: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ] |
| ; CHECK: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1) |
| ; CHECK: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0 |
| ; CHECK: br i1 [[CMP]], label %while.body, label %cleanup.loopexit |
| |
| define void @load_store_float(i32 %n, double** %d, double** %g) { |
| entry: |
| %n.off = add i32 %n, -1 |
| %0 = icmp ult i32 %n.off, 500 |
| br i1 %0, label %while.body.lr.ph, label %cleanup |
| |
| while.body.lr.ph: |
| %1 = load double*, double** %d, align 4 |
| %2 = load double*, double** %g, align 4 |
| br label %while.body |
| |
| while.body: |
| %i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ] |
| %rem = urem i32 %i.012, 10 |
| %tobool = icmp eq i32 %rem, 0 |
| br i1 %tobool, label %if.end4, label %if.then2 |
| |
| if.then2: |
| %arrayidx = getelementptr inbounds double, double* %1, i32 %i.012 |
| %3 = load double, double* %arrayidx, align 8 |
| %arrayidx3 = getelementptr inbounds double, double* %2, i32 %i.012 |
| store double %3, double* %arrayidx3, align 8 |
| br label %if.end4 |
| |
| if.end4: |
| %inc = add nuw i32 %i.012, 1 |
| %cmp1 = icmp ult i32 %inc, %n |
| br i1 %cmp1, label %while.body, label %cleanup.loopexit |
| |
| cleanup.loopexit: |
| br label %cleanup |
| |
| cleanup: |
| ret void |
| } |
| |
| ; CHECK-LABEL: fp_add |
| ; CHECK-SOFT-NOT: call i32 @llvm.start.loop.iterations |
| ; CHECK: entry: |
| ; CHECK-FP: [[COUNT:%[^ ]+]] = call i32 @llvm.umax.i32(i32 %n, i32 1) |
| ; CHECK: while.body.lr.ph: |
| ; CHECK-FP: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]]) |
| ; CHECK: br label %while.body |
| |
| ; CHECK-SOFT-NOT: call i32 @llvm.loop.decrement |
| |
| ; CHECK-FP: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ] |
| ; CHECK-FP: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1) |
| ; CHECK-FP: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0 |
| ; CHECK-FP: br i1 [[CMP]], label %while.body, label %cleanup.loopexit |
| |
| define void @fp_add(i32 %n, float** %d, float** %g) { |
| entry: |
| %n.off = add i32 %n, -1 |
| %0 = icmp ult i32 %n.off, 500 |
| br i1 %0, label %while.body.lr.ph, label %cleanup |
| |
| while.body.lr.ph: |
| %1 = load float*, float** %d, align 4 |
| %2 = load float*, float** %g, align 4 |
| br label %while.body |
| |
| while.body: |
| %i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ] |
| %rem = urem i32 %i.012, 10 |
| %tobool = icmp eq i32 %rem, 0 |
| br i1 %tobool, label %if.end4, label %if.then2 |
| |
| if.then2: |
| %arrayidx = getelementptr inbounds float, float* %1, i32 %i.012 |
| %3 = load float, float* %arrayidx, align 4 |
| %arrayidx3 = getelementptr inbounds float, float* %2, i32 %i.012 |
| %4 = load float, float* %arrayidx3, align 4 |
| %add = fadd float %3, %4 |
| store float %add, float* %arrayidx3, align 4 |
| br label %if.end4 |
| |
| if.end4: |
| %inc = add nuw i32 %i.012, 1 |
| %cmp1 = icmp ult i32 %inc, %n |
| br i1 %cmp1, label %while.body, label %cleanup.loopexit |
| |
| cleanup.loopexit: |
| br label %cleanup |
| |
| cleanup: |
| ret void |
| } |