forked from OSchip/llvm-project
207 lines
6.6 KiB
LLVM
207 lines
6.6 KiB
LLVM
; 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
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; 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
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; CHECK-LABEL: test_fptosi
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; CHECK-SOFT-NOT: call i32 @llvm.start.loop.iterations
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; CHECK: entry:
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; CHECK-FP: [[COUNT:%[^ ]+]] = call i32 @llvm.umax.i32(i32 %n, i32 1)
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; CHECK: while.body.lr.ph:
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; CHECK-FP: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]])
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; CHECK-FP-NEXT: br label %while.body
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; CHECK-FP: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ]
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; CHECK-FP: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
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; CHECK-FP: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
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; CHECK-FP: br i1 [[CMP]], label %while.body, label %cleanup.loopexit
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define void @test_fptosi(i32 %n, i32** %g, double** %d) {
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entry:
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%n.off = add i32 %n, -1
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%0 = icmp ult i32 %n.off, 500
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br i1 %0, label %while.body.lr.ph, label %cleanup
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while.body.lr.ph:
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%1 = load double*, double** %d, align 4
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%2 = load i32*, i32** %g, align 4
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br label %while.body
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while.body:
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%i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ]
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%rem = urem i32 %i.012, 10
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%tobool = icmp eq i32 %rem, 0
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br i1 %tobool, label %if.end4, label %if.then2
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if.then2:
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%arrayidx = getelementptr inbounds double, double* %1, i32 %i.012
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%3 = load double, double* %arrayidx, align 8
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%conv = fptosi double %3 to i32
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%arrayidx3 = getelementptr inbounds i32, i32* %2, i32 %i.012
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store i32 %conv, i32* %arrayidx3, align 4
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br label %if.end4
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if.end4:
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%inc = add nuw i32 %i.012, 1
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%cmp1 = icmp ult i32 %inc, %n
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br i1 %cmp1, label %while.body, label %cleanup.loopexit
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cleanup.loopexit:
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br label %cleanup
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cleanup:
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ret void
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}
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; CHECK-LABEL: test_fptoui
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; CHECK: entry:
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; CHECK-FP: [[COUNT:%[^ ]+]] = call i32 @llvm.umax.i32(i32 %n, i32 1)
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; CHECK-FP: while.body.lr.ph:
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; CHECK-FP: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]])
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; CHECK-FP-NEXT: br label %while.body
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; CHECK-FP: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ]
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; CHECK-FP: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
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; CHECK-FP: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
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; CHECK-FP: br i1 [[CMP]], label %while.body, label %cleanup.loopexit
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; CHECK-SOFT-NOT: call i32 @llvm.start.loop.iterations
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define void @test_fptoui(i32 %n, i32** %g, double** %d) {
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entry:
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%n.off = add i32 %n, -1
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%0 = icmp ult i32 %n.off, 500
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br i1 %0, label %while.body.lr.ph, label %cleanup
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while.body.lr.ph:
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%1 = load double*, double** %d, align 4
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%2 = load i32*, i32** %g, align 4
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br label %while.body
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while.body:
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%i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ]
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%rem = urem i32 %i.012, 10
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%tobool = icmp eq i32 %rem, 0
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br i1 %tobool, label %if.end4, label %if.then2
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if.then2:
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%arrayidx = getelementptr inbounds double, double* %1, i32 %i.012
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%3 = load double, double* %arrayidx, align 8
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%conv = fptoui double %3 to i32
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%arrayidx3 = getelementptr inbounds i32, i32* %2, i32 %i.012
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store i32 %conv, i32* %arrayidx3, align 4
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br label %if.end4
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if.end4:
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%inc = add nuw i32 %i.012, 1
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%cmp1 = icmp ult i32 %inc, %n
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br i1 %cmp1, label %while.body, label %cleanup.loopexit
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cleanup.loopexit:
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br label %cleanup
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cleanup:
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ret void
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}
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; CHECK-LABEL: load_store_float
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; CHECK: entry:
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; CHECK: [[COUNT:%[^ ]+]] = call i32 @llvm.umax.i32(i32 %n, i32 1)
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; CHECK: while.body.lr.ph:
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; CHECK: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]])
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; CHECK-NEXT: br label %while.body
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; CHECK: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ]
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; CHECK: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
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; CHECK: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
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; CHECK: br i1 [[CMP]], label %while.body, label %cleanup.loopexit
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define void @load_store_float(i32 %n, double** %d, double** %g) {
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entry:
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%n.off = add i32 %n, -1
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%0 = icmp ult i32 %n.off, 500
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br i1 %0, label %while.body.lr.ph, label %cleanup
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while.body.lr.ph:
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%1 = load double*, double** %d, align 4
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%2 = load double*, double** %g, align 4
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br label %while.body
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while.body:
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%i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ]
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%rem = urem i32 %i.012, 10
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%tobool = icmp eq i32 %rem, 0
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br i1 %tobool, label %if.end4, label %if.then2
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if.then2:
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%arrayidx = getelementptr inbounds double, double* %1, i32 %i.012
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%3 = load double, double* %arrayidx, align 8
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%arrayidx3 = getelementptr inbounds double, double* %2, i32 %i.012
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store double %3, double* %arrayidx3, align 8
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br label %if.end4
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if.end4:
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%inc = add nuw i32 %i.012, 1
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%cmp1 = icmp ult i32 %inc, %n
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br i1 %cmp1, label %while.body, label %cleanup.loopexit
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cleanup.loopexit:
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br label %cleanup
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cleanup:
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ret void
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}
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; CHECK-LABEL: fp_add
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; CHECK-SOFT-NOT: call i32 @llvm.start.loop.iterations
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; CHECK: entry:
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; CHECK-FP: [[COUNT:%[^ ]+]] = call i32 @llvm.umax.i32(i32 %n, i32 1)
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; CHECK: while.body.lr.ph:
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; CHECK-FP: [[START:%[^ ]+]] = call i32 @llvm.start.loop.iterations.i32(i32 [[COUNT]])
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; CHECK: br label %while.body
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; CHECK-SOFT-NOT: call i32 @llvm.loop.decrement
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; CHECK-FP: [[REM:%[^ ]+]] = phi i32 [ [[START]], %while.body.lr.ph ], [ [[LOOP_DEC:%[^ ]+]], %if.end4 ]
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; CHECK-FP: [[LOOP_DEC]] = call i32 @llvm.loop.decrement.reg.i32(i32 [[REM]], i32 1)
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; CHECK-FP: [[CMP:%[^ ]+]] = icmp ne i32 [[LOOP_DEC]], 0
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; CHECK-FP: br i1 [[CMP]], label %while.body, label %cleanup.loopexit
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define void @fp_add(i32 %n, float** %d, float** %g) {
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entry:
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%n.off = add i32 %n, -1
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%0 = icmp ult i32 %n.off, 500
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br i1 %0, label %while.body.lr.ph, label %cleanup
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while.body.lr.ph:
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%1 = load float*, float** %d, align 4
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%2 = load float*, float** %g, align 4
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br label %while.body
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while.body:
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%i.012 = phi i32 [ 0, %while.body.lr.ph ], [ %inc, %if.end4 ]
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%rem = urem i32 %i.012, 10
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%tobool = icmp eq i32 %rem, 0
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br i1 %tobool, label %if.end4, label %if.then2
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if.then2:
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%arrayidx = getelementptr inbounds float, float* %1, i32 %i.012
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%3 = load float, float* %arrayidx, align 4
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%arrayidx3 = getelementptr inbounds float, float* %2, i32 %i.012
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%4 = load float, float* %arrayidx3, align 4
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%add = fadd float %3, %4
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store float %add, float* %arrayidx3, align 4
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br label %if.end4
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if.end4:
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%inc = add nuw i32 %i.012, 1
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%cmp1 = icmp ult i32 %inc, %n
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br i1 %cmp1, label %while.body, label %cleanup.loopexit
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cleanup.loopexit:
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br label %cleanup
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cleanup:
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ret void
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}
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