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457191ce8d
r237193 fix handling of alloca size / align in MergeFunctions, but only tested one and didn't follow FunctionComparator::cmpOperations's usual comparison pattern. It also didn't update Instruction.cpp:haveSameSpecialState which I'll do separately. llvm-svn: 266022
62 lines
1.4 KiB
LLVM
62 lines
1.4 KiB
LLVM
; RUN: opt -mergefunc -S < %s | FileCheck %s
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;; Make sure that two different allocas are not treated as equal.
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target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
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%kv1 = type { i32, i32 }
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%kv2 = type { i8 }
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%kv3 = type { i64, i64 }
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; Size difference.
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; CHECK-LABEL: define void @size1
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; CHECK-NOT: call void @
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define void @size1(i8 *%f) {
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%v = alloca %kv1, align 8
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%f_2 = bitcast i8* %f to void (%kv1 *)*
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call void %f_2(%kv1 * %v)
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call void %f_2(%kv1 * %v)
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call void %f_2(%kv1 * %v)
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call void %f_2(%kv1 * %v)
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ret void
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}
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; CHECK-LABEL: define void @size2
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; CHECK-NOT: call void @
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define void @size2(i8 *%f) {
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%v = alloca %kv2, align 8
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%f_2 = bitcast i8* %f to void (%kv2 *)*
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call void %f_2(%kv2 * %v)
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call void %f_2(%kv2 * %v)
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call void %f_2(%kv2 * %v)
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call void %f_2(%kv2 * %v)
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ret void
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}
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; Alignment difference.
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; CHECK-LABEL: define void @align1
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; CHECK-NOT: call void @
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define void @align1(i8 *%f) {
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%v = alloca %kv3, align 8
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%f_2 = bitcast i8* %f to void (%kv3 *)*
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call void %f_2(%kv3 * %v)
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call void %f_2(%kv3 * %v)
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call void %f_2(%kv3 * %v)
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call void %f_2(%kv3 * %v)
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ret void
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}
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; CHECK-LABEL: define void @align2
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; CHECK-NOT: call void @
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define void @align2(i8 *%f) {
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%v = alloca %kv3, align 16
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%f_2 = bitcast i8* %f to void (%kv3 *)*
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call void %f_2(%kv3 * %v)
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call void %f_2(%kv3 * %v)
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call void %f_2(%kv3 * %v)
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call void %f_2(%kv3 * %v)
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ret void
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}
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