forked from OSchip/llvm-project
108 lines
2.4 KiB
LLVM
108 lines
2.4 KiB
LLVM
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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;
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; FIXME: two consecutive immediate adds not fused in i16/i8 functions.
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declare i64 @llvm.ctlz.i64(i64, i1)
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declare i32 @llvm.ctlz.i32(i32, i1)
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declare i16 @llvm.ctlz.i16(i16, i1)
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declare i8 @llvm.ctlz.i8(i8, i1)
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define i64 @f0(i64 %arg) {
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; CHECK-LABEL: f0:
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; CHECK-LABEL: %bb.0:
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; CHECK-NOT: %bb.1:
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; CHECK: flogr
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%1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 false)
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ret i64 %1
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}
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define i64 @f1(i64 %arg) {
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; CHECK-LABEL: f1:
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; CHECK-LABEL: %bb.0:
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; CHECK-NEXT: flogr
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; CHECK-NEXT: # kill
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; CHECK-NEXT: br %r14
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%1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 true)
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ret i64 %1
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}
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define i32 @f2(i32 %arg) {
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; CHECK-LABEL: f2:
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; CHECK-LABEL: %bb.0:
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; CHECK-NEXT: llgfr %r0, %r2
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; CHECK-NEXT: flogr %r2, %r0
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; CHECK-NEXT: aghi %r2, -32
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; CHECK-NEXT: # kill
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; CHECK-NEXT: br %r14
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%1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 false)
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ret i32 %1
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}
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define i32 @f3(i32 %arg) {
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; CHECK-LABEL: f3:
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; CHECK-LABEL: %bb.0:
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; CHECK-NEXT: llgfr %r0, %r2
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; CHECK-NEXT: flogr %r2, %r0
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; CHECK-NEXT: aghi %r2, -32
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; CHECK-NEXT: # kill
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; CHECK-NEXT: br %r14
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%1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 true)
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ret i32 %1
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}
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define i16 @f4(i16 %arg) {
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; CHECK-LABEL: f4:
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; CHECK-LABEL: %bb.0:
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; CHECK-NEXT: # kill
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; CHECK-NEXT: llghr %r0, %r2
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; CHECK-NEXT: flogr %r2, %r0
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; CHECK-NEXT: aghi %r2, -32
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; CHECK-NEXT: ahi %r2, -16
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; CHECK-NEXT: # kill
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; CHECK-NEXT: br %r14
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%1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 false)
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ret i16 %1
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}
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define i16 @f5(i16 %arg) {
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; CHECK-LABEL: f5:
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; CHECK-LABEL: %bb.0:
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; CHECK-NEXT: # kill
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; CHECK-NEXT: llghr %r0, %r2
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; CHECK-NEXT: flogr %r2, %r0
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; CHECK-NEXT: aghi %r2, -32
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; CHECK-NEXT: ahi %r2, -16
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; CHECK-NEXT: # kill
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; CHECK-NEXT: br %r14
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%1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 true)
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ret i16 %1
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}
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define i8 @f6(i8 %arg) {
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; CHECK-LABEL: f6:
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; CHECK-LABEL: %bb.0:
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; CHECK-NEXT: # kill
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; CHECK-NEXT: llgcr %r0, %r2
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; CHECK-NEXT: flogr %r2, %r0
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; CHECK-NEXT: aghi %r2, -32
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; CHECK-NEXT: ahi %r2, -24
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; CHECK-NEXT: # kill
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; CHECK-NEXT: br %r14
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%1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 false)
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ret i8 %1
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}
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define i8 @f7(i8 %arg) {
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; CHECK-LABEL: f7:
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; CHECK-LABEL: %bb.0:
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; CHECK-NEXT: # kill
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; CHECK-NEXT: llgcr %r0, %r2
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; CHECK-NEXT: flogr %r2, %r0
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; CHECK-NEXT: aghi %r2, -32
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; CHECK-NEXT: ahi %r2, -24
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; CHECK-NEXT: # kill
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; CHECK-NEXT: br %r14
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%1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 true)
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ret i8 %1
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}
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