1 ; Test explicit register names.
3 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
12 %ret = call i32 asm "blah $0", "={r4},0" (i32 1)
23 %ret = call i64 asm "blah $0", "={r4},0" (i64 1)
34 %ret = call float asm "blah $0", "={f4},0" (float 0.0)
45 %ret = call double asm "blah $0", "={f4},0" (double 0.0)
50 define void @f5(fp128 *%dest) {
54 ; CHECK-DAG: std %f4, 0(%r2)
55 ; CHECK-DAG: std %f6, 8(%r2)
57 %ret = call fp128 asm "blah $0", "={f4},0" (fp128 0xL00000000000000000000000000000000)
58 store fp128 %ret, fp128 *%dest
62 ; Test clobbers of GPRs and CC.
63 define i32 @f6(i32 %in) {
65 ; CHECK: lr [[REG:%r[01345]]], %r2
67 ; CHECK: lr %r2, [[REG]]
69 call void asm sideeffect "blah", "~{r2},~{cc}"()
73 ; Test clobbers of FPRs and CC.
74 define float @f7(float %in) {
76 ; CHECK: ler [[REG:%f[1-7]]], %f0
78 ; CHECK: ler %f0, [[REG]]
80 call void asm sideeffect "blah", "~{f0},~{cc}"()
84 ; Test that both registers in a GR128 pair get hoisted.
85 define void @f8(i32 %count) {
87 ; CHECK-DAG: lhi %r0, 0
88 ; CHECK-DAG: lhi %r1, 1
91 ; CHECK: blah %r0, %r1
97 %this = phi i32 [ %count, %entry ], [ %next, %loop ]
98 call void asm sideeffect "blah $0, $1", "{r0},{r1}" (i32 0, i32 1)
99 %next = sub i32 %this, 1
100 %cmp = icmp ne i32 %next, 0
101 br i1 %cmp, label %loop, label %exit