56 lines
1.9 KiB
LLVM
56 lines
1.9 KiB
LLVM
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -O3 -mcpu=z10 | FileCheck %s
|
||
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -O3 -mcpu=z14 | FileCheck %s
|
||
|
|
;
|
||
|
|
; Test folding of spilled immediate loads and compares.
|
||
|
|
|
||
|
|
define i32 @fun0(i32 *%src, i32 %arg) nounwind {
|
||
|
|
; CHECK-LABEL: fun0:
|
||
|
|
; CHECK: mvhi 164(%r15), 0 # 4-byte Folded Spill
|
||
|
|
; CHECK: mvc 164(4,%r15), 0(%r2) # 4-byte Folded Spill
|
||
|
|
; CHECK-LABEL: .LBB0_2:
|
||
|
|
; CHECK: chsi 164(%r15), 2 # 4-byte Folded Reload
|
||
|
|
|
||
|
|
entry:
|
||
|
|
%cmp = icmp eq i32 %arg, 0
|
||
|
|
br i1 %cmp, label %cond, label %exit
|
||
|
|
|
||
|
|
cond:
|
||
|
|
%val0 = load i32, i32 *%src
|
||
|
|
call void asm sideeffect "", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() nounwind
|
||
|
|
br label %exit
|
||
|
|
|
||
|
|
exit:
|
||
|
|
%tmp0 = phi i32 [0, %entry], [%val0, %cond]
|
||
|
|
call void asm sideeffect "", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() nounwind
|
||
|
|
%cmp0 = icmp ne i32 %tmp0, 2
|
||
|
|
%zxt0 = zext i1 %cmp0 to i32
|
||
|
|
%and0 = and i32 %arg, %zxt0
|
||
|
|
|
||
|
|
ret i32 %and0
|
||
|
|
}
|
||
|
|
|
||
|
|
define i64 @fun1(i64 *%src, i64 %arg) nounwind {
|
||
|
|
; CHECK-LABEL: fun1:
|
||
|
|
; CHECK: mvghi 168(%r15), 0 # 8-byte Folded Spill
|
||
|
|
; CHECK: mvc 168(8,%r15), 0(%r2) # 8-byte Folded Spill
|
||
|
|
; CHECK-LABEL: .LBB1_2:
|
||
|
|
; CHECK: cghsi 168(%r15), 2 # 8-byte Folded Reload
|
||
|
|
entry:
|
||
|
|
%cmp = icmp eq i64 %arg, 0
|
||
|
|
br i1 %cmp, label %cond, label %exit
|
||
|
|
|
||
|
|
cond:
|
||
|
|
%val0 = load i64, i64 *%src
|
||
|
|
call void asm sideeffect "", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() nounwind
|
||
|
|
br label %exit
|
||
|
|
|
||
|
|
exit:
|
||
|
|
%tmp0 = phi i64 [0, %entry], [%val0, %cond]
|
||
|
|
call void asm sideeffect "", "~{r0},~{r1},~{r2},~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12},~{r13},~{r14},~{r15}"() nounwind
|
||
|
|
%cmp0 = icmp ne i64 %tmp0, 2
|
||
|
|
%zxt0 = zext i1 %cmp0 to i64
|
||
|
|
%and0 = and i64 %arg, %zxt0
|
||
|
|
|
||
|
|
ret i64 %and0
|
||
|
|
}
|