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llvm-project/llvm/test/Transforms/MergeFunc/alloca.ll

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MergeFunctions: Two different sized allocas are *not* the same llvm-svn: 237193
2015-05-13 05:42:22 +08:00
; RUN: opt -mergefunc -S < %s | FileCheck %s
MergeFunctions: test alloca better 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
2016-04-12 08:03:26 +08:00
;; Make sure that two different allocas are not treated as equal.
MergeFunctions: Two different sized allocas are *not* the same llvm-svn: 237193
2015-05-13 05:42:22 +08:00
target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
%kv1 = type { i32, i32 }
%kv2 = type { i8 }
MergeFunctions: test alloca better 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
2016-04-12 08:03:26 +08:00
%kv3 = type { i64, i64 }
MergeFunctions: Two different sized allocas are *not* the same llvm-svn: 237193
2015-05-13 05:42:22 +08:00
MergeFunctions: test alloca better 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
2016-04-12 08:03:26 +08:00
; Size difference.
MergeFunctions: Two different sized allocas are *not* the same llvm-svn: 237193
2015-05-13 05:42:22 +08:00
MergeFunctions: test alloca better 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
2016-04-12 08:03:26 +08:00
; CHECK-LABEL: define void @size1
; CHECK-NOT: call void @
define void @size1(i8 *%f) {
MergeFunctions: Two different sized allocas are *not* the same llvm-svn: 237193
2015-05-13 05:42:22 +08:00
%v = alloca %kv1, align 8
%f_2 = bitcast i8* %f to void (%kv1 *)*
call void %f_2(%kv1 * %v)
call void %f_2(%kv1 * %v)
call void %f_2(%kv1 * %v)
call void %f_2(%kv1 * %v)
ret void
}
MergeFunctions: test alloca better 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
2016-04-12 08:03:26 +08:00
; CHECK-LABEL: define void @size2
; CHECK-NOT: call void @
define void @size2(i8 *%f) {
MergeFunctions: Two different sized allocas are *not* the same llvm-svn: 237193
2015-05-13 05:42:22 +08:00
%v = alloca %kv2, align 8
%f_2 = bitcast i8* %f to void (%kv2 *)*
call void %f_2(%kv2 * %v)
call void %f_2(%kv2 * %v)
call void %f_2(%kv2 * %v)
call void %f_2(%kv2 * %v)
ret void
}
MergeFunctions: test alloca better 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
2016-04-12 08:03:26 +08:00
; Alignment difference.
; CHECK-LABEL: define void @align1
; CHECK-NOT: call void @
define void @align1(i8 *%f) {
%v = alloca %kv3, align 8
%f_2 = bitcast i8* %f to void (%kv3 *)*
call void %f_2(%kv3 * %v)
call void %f_2(%kv3 * %v)
call void %f_2(%kv3 * %v)
call void %f_2(%kv3 * %v)
ret void
}
; CHECK-LABEL: define void @align2
; CHECK-NOT: call void @
define void @align2(i8 *%f) {
%v = alloca %kv3, align 16
%f_2 = bitcast i8* %f to void (%kv3 *)*
call void %f_2(%kv3 * %v)
call void %f_2(%kv3 * %v)
call void %f_2(%kv3 * %v)
call void %f_2(%kv3 * %v)
ret void
}