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authorStephen Hines <srhines@google.com>2015-04-01 18:49:24 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-04-01 18:49:26 +0000
commit3fa16bd6062e23bcdb82ed4dd965674792e6b761 (patch)
tree9348fc507292f7e8715d22d64ce5a32131b4f875 /test/Transforms/Inline/inline-fp.ll
parentbeed47390a60f6f0c77532b3d3f76bb47ef49423 (diff)
parentebe69fe11e48d322045d5949c83283927a0d790b (diff)
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Merge "Update aosp/master LLVM for rebase to r230699."
Diffstat (limited to 'test/Transforms/Inline/inline-fp.ll')
-rw-r--r--test/Transforms/Inline/inline-fp.ll136
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diff --git a/test/Transforms/Inline/inline-fp.ll b/test/Transforms/Inline/inline-fp.ll
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+++ b/test/Transforms/Inline/inline-fp.ll
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+; RUN: opt -S -inline < %s | FileCheck %s
+; Make sure that soft float implementations are calculated as being more expensive
+; to the inliner.
+
+define i32 @test_nofp() #0 {
+; f_nofp() has the "use-soft-float" attribute, so it should never get inlined.
+; CHECK-LABEL: test_nofp
+; CHECK: call float @f_nofp
+entry:
+ %responseX = alloca i32, align 4
+ %responseY = alloca i32, align 4
+ %responseZ = alloca i32, align 4
+ %valueX = alloca i8, align 1
+ %valueY = alloca i8, align 1
+ %valueZ = alloca i8, align 1
+
+ call void @getX(i32* %responseX, i8* %valueX)
+ call void @getY(i32* %responseY, i8* %valueY)
+ call void @getZ(i32* %responseZ, i8* %valueZ)
+
+ %0 = load i32* %responseX
+ %1 = load i8* %valueX
+ %call = call float @f_nofp(i32 %0, i8 zeroext %1)
+ %2 = load i32* %responseZ
+ %3 = load i8* %valueZ
+ %call2 = call float @f_nofp(i32 %2, i8 zeroext %3)
+ %call3 = call float @fabsf(float %call)
+ %cmp = fcmp ogt float %call3, 0x3FC1EB8520000000
+ br i1 %cmp, label %if.end12, label %if.else
+
+if.else: ; preds = %entry
+ %4 = load i32* %responseY
+ %5 = load i8* %valueY
+ %call1 = call float @f_nofp(i32 %4, i8 zeroext %5)
+ %call4 = call float @fabsf(float %call1)
+ %cmp5 = fcmp ogt float %call4, 0x3FC1EB8520000000
+ br i1 %cmp5, label %if.end12, label %if.else7
+
+if.else7: ; preds = %if.else
+ %call8 = call float @fabsf(float %call2)
+ %cmp9 = fcmp ogt float %call8, 0x3FC1EB8520000000
+ br i1 %cmp9, label %if.then10, label %if.end12
+
+if.then10: ; preds = %if.else7
+ br label %if.end12
+
+if.end12: ; preds = %if.else, %entry, %if.then10, %if.else7
+ %success.0 = phi i32 [ 0, %if.then10 ], [ 1, %if.else7 ], [ 0, %entry ], [ 0, %if.else ]
+ ret i32 %success.0
+}
+
+define i32 @test_hasfp() #0 {
+; f_hasfp() does not have the "use-soft-float" attribute, so it should get inlined.
+; CHECK-LABEL: test_hasfp
+; CHECK-NOT: call float @f_hasfp
+entry:
+ %responseX = alloca i32, align 4
+ %responseY = alloca i32, align 4
+ %responseZ = alloca i32, align 4
+ %valueX = alloca i8, align 1
+ %valueY = alloca i8, align 1
+ %valueZ = alloca i8, align 1
+
+ call void @getX(i32* %responseX, i8* %valueX)
+ call void @getY(i32* %responseY, i8* %valueY)
+ call void @getZ(i32* %responseZ, i8* %valueZ)
+
+ %0 = load i32* %responseX
+ %1 = load i8* %valueX
+ %call = call float @f_hasfp(i32 %0, i8 zeroext %1)
+ %2 = load i32* %responseZ
+ %3 = load i8* %valueZ
+ %call2 = call float @f_hasfp(i32 %2, i8 zeroext %3)
+ %call3 = call float @fabsf(float %call)
+ %cmp = fcmp ogt float %call3, 0x3FC1EB8520000000
+ br i1 %cmp, label %if.end12, label %if.else
+
+if.else: ; preds = %entry
+ %4 = load i32* %responseY
+ %5 = load i8* %valueY
+ %call1 = call float @f_hasfp(i32 %4, i8 zeroext %5)
+ %call4 = call float @fabsf(float %call1)
+ %cmp5 = fcmp ogt float %call4, 0x3FC1EB8520000000
+ br i1 %cmp5, label %if.end12, label %if.else7
+
+if.else7: ; preds = %if.else
+ %call8 = call float @fabsf(float %call2)
+ %cmp9 = fcmp ogt float %call8, 0x3FC1EB8520000000
+ br i1 %cmp9, label %if.then10, label %if.end12
+
+if.then10: ; preds = %if.else7
+ br label %if.end12
+
+if.end12: ; preds = %if.else, %entry, %if.then10, %if.else7
+ %success.0 = phi i32 [ 0, %if.then10 ], [ 1, %if.else7 ], [ 0, %entry ], [ 0, %if.else ]
+ ret i32 %success.0
+}
+
+declare void @getX(i32*, i8*) #0
+
+declare void @getY(i32*, i8*) #0
+
+declare void @getZ(i32*, i8*) #0
+
+define internal float @f_hasfp(i32 %response, i8 zeroext %value1) #0 {
+entry:
+ %conv = zext i8 %value1 to i32
+ %sub = add nsw i32 %conv, -1
+ %conv1 = sitofp i32 %sub to float
+ %0 = tail call float @llvm.pow.f32(float 0x3FF028F5C0000000, float %conv1)
+ %mul = fmul float %0, 2.620000e+03
+ %conv2 = sitofp i32 %response to float
+ %sub3 = fsub float %conv2, %mul
+ %div = fdiv float %sub3, %mul
+ ret float %div
+}
+
+define internal float @f_nofp(i32 %response, i8 zeroext %value1) #1 {
+entry:
+ %conv = zext i8 %value1 to i32
+ %sub = add nsw i32 %conv, -1
+ %conv1 = sitofp i32 %sub to float
+ %0 = tail call float @llvm.pow.f32(float 0x3FF028F5C0000000, float %conv1)
+ %mul = fmul float %0, 2.620000e+03
+ %conv2 = sitofp i32 %response to float
+ %sub3 = fsub float %conv2, %mul
+ %div = fdiv float %sub3, %mul
+ ret float %div
+}
+
+declare float @fabsf(float) optsize minsize
+
+declare float @llvm.pow.f32(float, float) optsize minsize
+
+attributes #0 = { minsize optsize }
+attributes #1 = { minsize optsize "use-soft-float"="true" }