1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
; 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 fdiv
@X = constant i212 42
@Y = constant [2 x { i212, float }] [ { i212, float } { i212 12, float 1.0 },
{ i212, float } { i212 37, float 0x3FF3B2FEC0000000 } ]
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
}
|
