forked from OSchip/llvm-project
37 lines
902 B
LLVM
37 lines
902 B
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 fdiv
|
||
|
|
|
||
|
|
@X = constant i212 42
|
||
|
|
@Y = constant [2 x { i212, float }] [ { i212, float } { i212 12, float 1.0 },
|
||
|
|
{ i212, float } { i212 37, float 1.2312 } ]
|
||
|
|
define i212 @test1() {
|
||
|
|
%B = load i212* @X
|
||
|
|
ret i212 %B
|
||
|
|
}
|
||
|
|
|
||
|
|
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 i212 @test3() {
|
||
|
|
%A = getelementptr [2 x { i212, float}]* @Y, i32 0, i32 0, i32 0
|
||
|
|
%B = load i212* %A
|
||
|
|
ret i212 %B
|
||
|
|
}
|
||
|
|
|
||
|
|
define float @All()
|
||
|
|
{
|
||
|
|
%A = call float @test2()
|
||
|
|
%B = call i212 @test3()
|
||
|
|
%C = mul i212 %B, -1234567
|
||
|
|
%D = sitofp i212 %C to float
|
||
|
|
%E = fdiv float %A, %D
|
||
|
|
ret float %E
|
||
|
|
}
|
||
|
|
|
||
|
|
|