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llvm-mirror/test/Transforms/SCCP/solve-after-each-resolving-undefs-for-function.ll
Florian Hahn 64cf7359d3 [SCCP] Move tests using only ipsccp from IPConstantProp to SCCP (NFC).
Some of the tests in the llvm/test/Transforms/IPConstantProp directory
actually only use -ipsccp. Those tests belong to the other (IP)SCCP
tests in llvm/test/Transforms/SCCP/ and this commits moves them there to
avoid confusion with IPConstantProp.
2020-07-09 17:16:15 +01:00

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1.0 KiB
LLVM

; RUN: opt < %s -ipsccp -S | FileCheck %s
; CHECK-LABEL: @testf(
; CHECK: ret i32 undef
;
define internal i32 @testf(i1 %c) {
entry:
br i1 %c, label %if.cond, label %if.end
if.cond:
br i1 undef, label %if.then, label %if.end
if.then: ; preds = %entry, %if.then
ret i32 11
if.end: ; preds = %if.then1, %entry
ret i32 10
}
; CHECK-LABEL: @test1(
; CHECK: ret i32 undef
;
define internal i32 @test1(i1 %c) {
entry:
br label %if.then
if.then: ; preds = %entry, %if.then
%call = call i32 @testf(i1 %c)
%res = icmp eq i32 %call, 10
br i1 %res, label %ret1, label %ret2
ret1: ; preds = %if.then, %entry
ret i32 99
ret2: ; preds = %if.then, %entry
ret i32 0
}
; CHECK-LABEL: @main(
; CHECK-NEXT: %res = call i32 @test1(
; CHECK-NEXT: ret i32 99
;
define i32 @main(i1 %c) {
%res = call i32 @test1(i1 %c)
ret i32 %res
}