50 lines
1.1 KiB
LLVM
50 lines
1.1 KiB
LLVM
; This test makes sure that these instructions are properly constant propagated.
|
|
|
|
; RUN: opt < %s -ipsccp -S | not grep load
|
|
; RUN: opt < %s -ipsccp -S | not grep add
|
|
; RUN: opt < %s -ipsccp -S | 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}], [2 x { i212, float}]* @Y, i32 0, i32 1, i32 1
|
|
%B = load float, float* %A
|
|
ret float %B
|
|
}
|
|
|
|
define internal float @test3() {
|
|
%A = getelementptr [2 x { i212, float}], [2 x { i212, float}]* @Y, i32 0, i32 0, i32 1
|
|
%B = load float, 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 = fadd float %A, 1.0
|
|
br label %exit
|
|
F:
|
|
%D = fadd float %A, 2.0
|
|
br label %exit
|
|
exit:
|
|
%E = phi float [%C, %T], [%D, %F]
|
|
ret float %E
|
|
}
|
|
|
|
|
|
|