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252 lines
7.3 KiB
LLVM
252 lines
7.3 KiB
LLVM
; RUN: opt -inline -mtriple=aarch64--linux-gnu -S -o - < %s -inline-threshold=0 | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64--linux-gnu"
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declare void @pad()
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@glbl = external global i32
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define i32 @outer1(i1 %cond) {
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; CHECK-LABEL: @outer1(
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; CHECK-NOT: call i32 @inner1
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%C = call i32 @inner1(i1 %cond, i32 1)
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ret i32 %C
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}
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define i32 @inner1(i1 %cond, i32 %val) {
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%select = select i1 %cond, i32 1, i32 %val ; Simplified to 1
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call void @pad()
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store i32 0, i32* @glbl
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ret i32 %select ; Simplifies to ret i32 1
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}
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define i32 @outer2(i32 %val) {
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; CHECK-LABEL: @outer2(
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; CHECK-NOT: call i32 @inner2
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%C = call i32 @inner2(i1 true, i32 %val)
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ret i32 %C
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}
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define i32 @inner2(i1 %cond, i32 %val) {
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%select = select i1 %cond, i32 1, i32 %val ; Simplifies to 1
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call void @pad()
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store i32 0, i32* @glbl
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ret i32 %select ; Simplifies to ret i32 1
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}
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define i32 @outer3(i32 %val) {
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; CHECK-LABEL: @outer3(
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; CHECK-NOT: call i32 @inner3
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%C = call i32 @inner3(i1 false, i32 %val)
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ret i32 %C
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}
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define i32 @inner3(i1 %cond, i32 %val) {
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%select = select i1 %cond, i32 %val, i32 -1 ; Simplifies to -1
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call void @pad()
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store i32 0, i32* @glbl
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ret i32 %select ; Simplifies to ret i32 -1
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}
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define i32 @outer4() {
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; CHECK-LABEL: @outer4(
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; CHECK-NOT: call i32 @inner4
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%C = call i32 @inner4(i1 true, i32 1, i32 -1)
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ret i32 %C
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}
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define i32 @inner4(i1 %cond, i32 %val1, i32 %val2) {
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%select = select i1 %cond, i32 %val1, i32 %val2 ; Simplifies to 1
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call void @pad()
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store i32 0, i32* @glbl
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store i32 1, i32* @glbl
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ret i32 %select ; Simplifies to ret i32 1
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}
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define i1 @outer5() {
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; CHECK-LABEL: @outer5(
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; CHECK-NOT: call i1 @inner5
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%C = call i1 @inner5(i1 true, i1 true, i1 false)
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ret i1 %C
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}
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declare void @dead()
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define i1 @inner5(i1 %cond, i1 %val1, i1 %val2) {
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%select = select i1 %cond, i1 %val1, i1 %val2 ; Simplifies to true
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br i1 %select, label %exit, label %isfalse ; Simplifies to br label %end
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isfalse: ; This block is unreachable once inlined
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call void @dead()
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br label %exit
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exit:
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store i32 0, i32* @glbl
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ret i1 %select ; Simplifies to ret i1 true
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}
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define i32 @outer6(i1 %cond) {
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; CHECK-LABEL: @outer6(
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; CHECK-NOT: call i32 @inner6
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%A = alloca i32
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%C = call i32 @inner6(i1 %cond, i32* %A)
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ret i32 %C
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}
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define i32 @inner6(i1 %cond, i32* %ptr) {
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%G1 = getelementptr inbounds i32, i32* %ptr, i32 1
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%G2 = getelementptr inbounds i32, i32* %G1, i32 1
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%G3 = getelementptr inbounds i32, i32* %ptr, i32 2
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%select = select i1 %cond, i32* %G2, i32* %G3 ; Simplified to %A[2]
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%load = load i32, i32* %select ; SROA'ed
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call void @pad()
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ret i32 %load ; Simplified
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}
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define i32 @outer7(i32* %ptr) {
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; CHECK-LABEL: @outer7(
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; CHECK-NOT: call i32 @inner7
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%A = alloca i32
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%C = call i32 @inner7(i1 true, i32* %A, i32* %ptr)
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ret i32 %C
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}
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define i32 @inner7(i1 %cond, i32* %p1, i32* %p2) {
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%select = select i1 %cond, i32* %p1, i32* %p2 ; Simplifies to %A
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%load = load i32, i32* %select ; SROA'ed
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call void @pad()
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store i32 0, i32* @glbl
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ret i32 %load ; Simplified
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}
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define i32 @outer8(i32* %ptr) {
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; CHECK-LABEL: @outer8(
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; CHECK-NOT: call i32 @inner8
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%A = alloca i32
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%C = call i32 @inner8(i1 false, i32* %ptr, i32* %A)
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ret i32 %C
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}
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define i32 @inner8(i1 %cond, i32* %p1, i32* %p2) {
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%select = select i1 %cond, i32* %p1, i32* %p2 ; Simplifies to %A
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%load = load i32, i32* %select ; SROA'ed
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call void @pad()
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store i32 0, i32* @glbl
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ret i32 %load ; Simplified
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}
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define <2 x i32> @outer9(<2 x i32> %val) {
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; CHECK-LABEL: @outer9(
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; CHECK-NOT: call <2 x i32> @inner9
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%C = call <2 x i32> @inner9(<2 x i1> <i1 true, i1 true>, <2 x i32> %val)
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ret <2 x i32> %C
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}
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define <2 x i32> @inner9(<2 x i1> %cond, <2 x i32> %val) {
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%select = select <2 x i1> %cond, <2 x i32> <i32 1, i32 1>, <2 x i32> %val ; Simplifies to <1, 1>
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call void @pad()
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store i32 0, i32* @glbl
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ret <2 x i32> %select ; Simplifies to ret <2 x i32> <1, 1>
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}
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define <2 x i32> @outer10(<2 x i32> %val) {
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; CHECK-LABEL: @outer10(
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; CHECK-NOT: call <2 x i32> @inner10
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%C = call <2 x i32> @inner10(<2 x i1> <i1 false, i1 false>, <2 x i32> %val)
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ret <2 x i32> %C
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}
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define <2 x i32> @inner10(<2 x i1> %cond, <2 x i32> %val) {
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%select = select <2 x i1> %cond, < 2 x i32> %val, <2 x i32> <i32 -1, i32 -1> ; Simplifies to <-1, -1>
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call void @pad()
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store i32 0, i32* @glbl
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ret <2 x i32> %select ; Simplifies to ret <2 x i32> <-1, -1>
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}
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define <2 x i32> @outer11() {
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; CHECK-LABEL: @outer11(
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; CHECK-NOT: call <2 x i32> @inner11
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%C = call <2 x i32> @inner11(<2 x i1> <i1 true, i1 false>)
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ret <2 x i32> %C
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}
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define <2 x i32> @inner11(<2 x i1> %cond) {
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%select = select <2 x i1> %cond, <2 x i32> <i32 1, i32 1>, < 2 x i32> <i32 -1, i32 -1> ; Simplifies to <1, -1>
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call void @pad()
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ret <2 x i32> %select ; Simplifies to ret <2 x i32> <1, -1>
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}
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define i1 @outer12(i32* %ptr) {
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; CHECK-LABEL: @outer12(
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; CHECK-NOT: call i1 @inner12
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%C = call i1 @inner12(i1 true, i32* @glbl, i32* %ptr)
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ret i1 %C
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}
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define i1 @inner12(i1 %cond, i32* %ptr1, i32* %ptr2) {
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%select = select i1 %cond, i32* %ptr1, i32* %ptr2 ; Simplified to @glbl
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%cmp = icmp eq i32* %select, @glbl ; Simplified to true
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call void @pad()
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store i32 0, i32* @glbl
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ret i1 %cmp ; Simplifies to ret i1 true
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}
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define <2 x i32> @outer13(<2 x i32> %val1, <2 x i32> %val2) {
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; CHECK-LABEL: @outer13(
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; CHECK: call <2 x i32> @inner13
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%C = call <2 x i32> @inner13(<2 x i1> <i1 true, i1 false>, <2 x i32> %val1, <2 x i32> %val2)
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ret <2 x i32> %C
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}
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define <2 x i32> @inner13(<2 x i1> %cond, <2 x i32> %val1, < 2 x i32> %val2) {
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%select = select <2 x i1> %cond, <2 x i32> %val1, < 2 x i32> %val2 ; Cannot be Simplified
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call void @pad()
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store i32 0, i32* @glbl
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store i32 1, i32* @glbl
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ret <2 x i32> %select ; Simplified
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}
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define i32 @outer14(i32 %val1, i32 %val2) {
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; CHECK-LABEL: @outer14(
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; CHECK-NOT: call i32 @inner14
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%C = call i32 @inner14(i1 true, i32 %val1, i32 %val2)
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ret i32 %C
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}
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define i32 @inner14(i1 %cond, i32 %val1, i32 %val2) {
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%select = select i1 %cond, i32 %val1, i32 %val2 ; Simplified to %val1
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call void @pad()
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store i32 0, i32* @glbl
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store i32 1, i32* @glbl
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ret i32 %select ; Simplifies to ret i32 %val1
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}
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define i32 @outer15(i32 %val1, i32 %val2) {
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; CHECK-LABEL: @outer15(
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; CHECK-NOT: call i32 @inner15
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%C = call i32 @inner15(i1 false, i32 %val1, i32 %val2)
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ret i32 %C
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}
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define i32 @inner15(i1 %cond, i32 %val1, i32 %val2) {
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%select = select i1 %cond, i32 %val1, i32 %val2 ; Simplified to %val2
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call void @pad()
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store i32 0, i32* @glbl
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store i32 1, i32* @glbl
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ret i32 %select ; Simplifies to ret i32 %val2
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}
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