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llvm-mirror/test/Transforms/SCCP/apint-ipsccp4.ll
Reid Spencer 11d48d6932 For PR1319:
Upgrade to use new Tcl exec based test harness. This exposes 3 bugs that
were previously not being reported:
test/Transforms/GlobalDCE/2002-08-17-FunctionDGE.ll
test/Transforms/GlobalOpt/memset.ll
test/Transforms/IndVarsSimplify/exit_value_tests.llx

llvm-svn: 36065
2007-04-15 09:21:47 +00:00

50 lines
1.1 KiB
LLVM

; This test makes sure that these instructions are properly constant propagated.
; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | not grep load
; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | not grep add
; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | not grep phi
@Y = constant [2 x { i212, float }] [ { i212, float } { i212 12, float 1.0 },
{ i212, float } { i212 37, float 2.0 } ]
define internal float @test2() {
%A = getelementptr [2 x { i212, float}]* @Y, i32 0, i32 1, i32 1
%B = load float* %A
ret float %B
}
define internal float @test3() {
%A = getelementptr [2 x { i212, float}]* @Y, i32 0, i32 0, i32 1
%B = load float* %A
ret float %B
}
define internal float @test()
{
%A = call float @test2()
%B = call float @test3()
%E = fdiv float %B, %A
ret float %E
}
define float @All()
{
%A = call float @test()
%B = fcmp oge float %A, 1.0
br i1 %B, label %T, label %F
T:
%C = add float %A, 1.0
br label %exit
F:
%D = add float %A, 2.0
br label %exit
exit:
%E = phi float [%C, %T], [%D, %F]
ret float %E
}