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
37
38
39
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=amdgcn -mcpu=tahiti %s -o - | FileCheck %s
; After dead code elimination, that buffer load should be eliminated finally
; after dead lane detection.
define amdgpu_kernel void @foo() {
; CHECK-LABEL: foo:
; CHECK: ; %bb.0: ; %entry
; CHECK-NEXT: ; %bb.1: ; %LeafBlock1
; CHECK-NEXT: s_cmp_eq_u32 s0, 10
; CHECK-NEXT: s_cbranch_scc1 .LBB0_3
; CHECK-NEXT: ; %bb.2:
; CHECK-NEXT: s_mov_b32 s3, 0xf000
; CHECK-NEXT: s_mov_b32 s2, -1
; CHECK-NEXT: v_mov_b32_e32 v0, 0
; CHECK-NEXT: buffer_store_dword v0, off, s[0:3], 0
; CHECK-NEXT: s_endpgm
; CHECK-NEXT: .LBB0_3:
entry:
switch i8 poison, label %foo.exit [
i8 4, label %sw.bb4
i8 10, label %sw.bb10
]
sw.bb4:
%x = load i64, ptr addrspace(1) poison, align 8
%c = sitofp i64 %x to float
%v = insertelement <2 x float> <float poison, float 0.000000e+00>, float %c, i32 0
br label %foo.exit
sw.bb10:
unreachable
foo.exit:
%agg = phi <2 x float> [ %v, %sw.bb4 ], [ zeroinitializer, %entry ]
%s = extractelement <2 x float> %agg, i32 1
store float %s, ptr addrspace(1) poison, align 4
ret void
}
|
