; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 ; Test 128-bit funnel shifts. ; ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z15 | FileCheck %s --check-prefix=Z15 declare i128 @llvm.fshl.i128(i128, i128, i128) declare i128 @llvm.fshr.i128(i128, i128, i128) ; Funnel shift left by constant multiple of 8. define i128 @f1(i128 %a, i128 %b) { ; CHECK-LABEL: f1: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v0, 0(%r4), 3 ; CHECK-NEXT: vl %v1, 0(%r3), 3 ; CHECK-NEXT: vsldb %v0, %v1, %v0, 4 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f1: ; Z15: # %bb.0: ; Z15-NEXT: vl %v0, 0(%r4), 3 ; Z15-NEXT: vl %v1, 0(%r3), 3 ; Z15-NEXT: vsldb %v0, %v1, %v0, 4 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshl.i128(i128 %a, i128 %b, i128 32) ret i128 %res } ; Funnel shift left by constant smaller than 8. define i128 @f2(i128 %a, i128 %b) { ; CHECK-LABEL: f2: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v1, 0(%r3), 3 ; CHECK-NEXT: vl %v0, 0(%r4), 3 ; CHECK-NEXT: vrepib %v2, 5 ; CHECK-NEXT: vsl %v1, %v1, %v2 ; CHECK-NEXT: vrepib %v2, 123 ; CHECK-NEXT: vsrlb %v0, %v0, %v2 ; CHECK-NEXT: vsrl %v0, %v0, %v2 ; CHECK-NEXT: vo %v0, %v1, %v0 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f2: ; Z15: # %bb.0: ; Z15-NEXT: vl %v0, 0(%r4), 3 ; Z15-NEXT: vl %v1, 0(%r3), 3 ; Z15-NEXT: vsld %v0, %v1, %v0, 5 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshl.i128(i128 %a, i128 %b, i128 5) ret i128 %res } ; Funnel shift left by some other constant. define i128 @f3(i128 %a, i128 %b) { ; CHECK-LABEL: f3: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v1, 0(%r4), 3 ; CHECK-NEXT: vrepib %v2, 86 ; CHECK-NEXT: vsrlb %v1, %v1, %v2 ; CHECK-NEXT: vl %v0, 0(%r3), 3 ; CHECK-NEXT: vsrl %v1, %v1, %v2 ; CHECK-NEXT: vrepib %v2, 42 ; CHECK-NEXT: vslb %v0, %v0, %v2 ; CHECK-NEXT: vsl %v0, %v0, %v2 ; CHECK-NEXT: vo %v0, %v0, %v1 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f3: ; Z15: # %bb.0: ; Z15-NEXT: vl %v0, 0(%r4), 3 ; Z15-NEXT: vl %v1, 0(%r3), 3 ; Z15-NEXT: vsldb %v1, %v1, %v0, 5 ; Z15-NEXT: vsldb %v0, %v0, %v0, 5 ; Z15-NEXT: vsld %v0, %v1, %v0, 2 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshl.i128(i128 %a, i128 %b, i128 42) ret i128 %res } ; Funnel shift left by a variable amount. define i128 @f4(i128 %a, i128 %b, i128 %sh) { ; CHECK-LABEL: f4: ; CHECK: # %bb.0: ; CHECK-NEXT: l %r0, 12(%r5) ; CHECK-NEXT: vlvgp %v2, %r0, %r0 ; CHECK-NEXT: vl %v1, 0(%r3), 3 ; CHECK-NEXT: vrepb %v2, %v2, 15 ; CHECK-NEXT: vslb %v1, %v1, %v2 ; CHECK-NEXT: vl %v0, 0(%r4), 3 ; CHECK-NEXT: vsl %v1, %v1, %v2 ; CHECK-NEXT: vrepib %v2, 1 ; CHECK-NEXT: xilf %r0, 4294967295 ; CHECK-NEXT: vsrl %v0, %v0, %v2 ; CHECK-NEXT: vlvgp %v2, %r0, %r0 ; CHECK-NEXT: vrepb %v2, %v2, 15 ; CHECK-NEXT: vsrlb %v0, %v0, %v2 ; CHECK-NEXT: vsrl %v0, %v0, %v2 ; CHECK-NEXT: vo %v0, %v1, %v0 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f4: ; Z15: # %bb.0: ; Z15-NEXT: l %r0, 12(%r5) ; Z15-NEXT: vlvgp %v2, %r0, %r0 ; Z15-NEXT: vl %v1, 0(%r3), 3 ; Z15-NEXT: vrepb %v2, %v2, 15 ; Z15-NEXT: vl %v0, 0(%r4), 3 ; Z15-NEXT: vslb %v1, %v1, %v2 ; Z15-NEXT: vsl %v1, %v1, %v2 ; Z15-NEXT: vrepib %v2, 1 ; Z15-NEXT: xilf %r0, 4294967295 ; Z15-NEXT: vsrl %v0, %v0, %v2 ; Z15-NEXT: vlvgp %v2, %r0, %r0 ; Z15-NEXT: vrepb %v2, %v2, 15 ; Z15-NEXT: vsrlb %v0, %v0, %v2 ; Z15-NEXT: vsrl %v0, %v0, %v2 ; Z15-NEXT: vo %v0, %v1, %v0 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshl.i128(i128 %a, i128 %b, i128 %sh) ret i128 %res } ; Funnel shift right by constant multiple of 8. define i128 @f5(i128 %a, i128 %b) { ; CHECK-LABEL: f5: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v0, 0(%r4), 3 ; CHECK-NEXT: vl %v1, 0(%r3), 3 ; CHECK-NEXT: vsldb %v0, %v1, %v0, 12 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f5: ; Z15: # %bb.0: ; Z15-NEXT: vl %v0, 0(%r4), 3 ; Z15-NEXT: vl %v1, 0(%r3), 3 ; Z15-NEXT: vsldb %v0, %v1, %v0, 12 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshr.i128(i128 %a, i128 %b, i128 32) ret i128 %res } ; Funnel shift right by constant smaller than 8. define i128 @f6(i128 %a, i128 %b) { ; CHECK-LABEL: f6: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v1, 0(%r4), 3 ; CHECK-NEXT: vl %v0, 0(%r3), 3 ; CHECK-NEXT: vrepib %v2, 5 ; CHECK-NEXT: vsrl %v1, %v1, %v2 ; CHECK-NEXT: vrepib %v2, 123 ; CHECK-NEXT: vslb %v0, %v0, %v2 ; CHECK-NEXT: vsl %v0, %v0, %v2 ; CHECK-NEXT: vo %v0, %v0, %v1 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f6: ; Z15: # %bb.0: ; Z15-NEXT: vl %v0, 0(%r4), 3 ; Z15-NEXT: vl %v1, 0(%r3), 3 ; Z15-NEXT: vsrd %v0, %v1, %v0, 5 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshr.i128(i128 %a, i128 %b, i128 5) ret i128 %res } ; Funnel shift right by some other constant. define i128 @f7(i128 %a, i128 %b) { ; CHECK-LABEL: f7: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v1, 0(%r4), 3 ; CHECK-NEXT: vrepib %v2, 42 ; CHECK-NEXT: vsrlb %v1, %v1, %v2 ; CHECK-NEXT: vl %v0, 0(%r3), 3 ; CHECK-NEXT: vsrl %v1, %v1, %v2 ; CHECK-NEXT: vrepib %v2, 86 ; CHECK-NEXT: vslb %v0, %v0, %v2 ; CHECK-NEXT: vsl %v0, %v0, %v2 ; CHECK-NEXT: vo %v0, %v0, %v1 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f7: ; Z15: # %bb.0: ; Z15-NEXT: vl %v0, 0(%r4), 3 ; Z15-NEXT: vl %v1, 0(%r3), 3 ; Z15-NEXT: vsldb %v0, %v1, %v0, 11 ; Z15-NEXT: vsldb %v1, %v1, %v1, 11 ; Z15-NEXT: vsrd %v0, %v1, %v0, 2 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshr.i128(i128 %a, i128 %b, i128 42) ret i128 %res } ; Funnel shift right by a variable amount. define i128 @f8(i128 %a, i128 %b, i128 %sh) { ; CHECK-LABEL: f8: ; CHECK: # %bb.0: ; CHECK-NEXT: l %r0, 12(%r5) ; CHECK-NEXT: vlvgp %v2, %r0, %r0 ; CHECK-NEXT: vl %v1, 0(%r4), 3 ; CHECK-NEXT: vrepb %v2, %v2, 15 ; CHECK-NEXT: vsrlb %v1, %v1, %v2 ; CHECK-NEXT: vl %v0, 0(%r3), 3 ; CHECK-NEXT: vsrl %v1, %v1, %v2 ; CHECK-NEXT: vrepib %v2, 1 ; CHECK-NEXT: xilf %r0, 4294967295 ; CHECK-NEXT: vsl %v0, %v0, %v2 ; CHECK-NEXT: vlvgp %v2, %r0, %r0 ; CHECK-NEXT: vrepb %v2, %v2, 15 ; CHECK-NEXT: vslb %v0, %v0, %v2 ; CHECK-NEXT: vsl %v0, %v0, %v2 ; CHECK-NEXT: vo %v0, %v0, %v1 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f8: ; Z15: # %bb.0: ; Z15-NEXT: l %r0, 12(%r5) ; Z15-NEXT: vlvgp %v2, %r0, %r0 ; Z15-NEXT: vl %v1, 0(%r4), 3 ; Z15-NEXT: vrepb %v2, %v2, 15 ; Z15-NEXT: vl %v0, 0(%r3), 3 ; Z15-NEXT: vsrlb %v1, %v1, %v2 ; Z15-NEXT: vsrl %v1, %v1, %v2 ; Z15-NEXT: vrepib %v2, 1 ; Z15-NEXT: xilf %r0, 4294967295 ; Z15-NEXT: vsl %v0, %v0, %v2 ; Z15-NEXT: vlvgp %v2, %r0, %r0 ; Z15-NEXT: vrepb %v2, %v2, 15 ; Z15-NEXT: vslb %v0, %v0, %v2 ; Z15-NEXT: vsl %v0, %v0, %v2 ; Z15-NEXT: vo %v0, %v0, %v1 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshr.i128(i128 %a, i128 %b, i128 %sh) ret i128 %res } ; Funnel shift left by constant N in 121..128, in such cases fshl N == fshr (128 - N) define i128 @f9(i128 %a, i128 %b) { ; CHECK-LABEL: f9: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v1, 0(%r4), 3 ; CHECK-NEXT: vl %v0, 0(%r3), 3 ; CHECK-NEXT: vrepib %v2, 5 ; CHECK-NEXT: vsrl %v1, %v1, %v2 ; CHECK-NEXT: vrepib %v2, 123 ; CHECK-NEXT: vslb %v0, %v0, %v2 ; CHECK-NEXT: vsl %v0, %v0, %v2 ; CHECK-NEXT: vo %v0, %v0, %v1 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f9: ; Z15: # %bb.0: ; Z15-NEXT: vl %v0, 0(%r4), 3 ; Z15-NEXT: vl %v1, 0(%r3), 3 ; Z15-NEXT: vsrd %v0, %v1, %v0, 5 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshl.i128(i128 %a, i128 %b, i128 123) ret i128 %res } ; Funnel shift right by constant N in 121..128, in such cases fshr N == fshl (128 - N) define i128 @f10(i128 %a, i128 %b) { ; CHECK-LABEL: f10: ; CHECK: # %bb.0: ; CHECK-NEXT: vl %v1, 0(%r3), 3 ; CHECK-NEXT: vl %v0, 0(%r4), 3 ; CHECK-NEXT: vrepib %v2, 5 ; CHECK-NEXT: vsl %v1, %v1, %v2 ; CHECK-NEXT: vrepib %v2, 123 ; CHECK-NEXT: vsrlb %v0, %v0, %v2 ; CHECK-NEXT: vsrl %v0, %v0, %v2 ; CHECK-NEXT: vo %v0, %v1, %v0 ; CHECK-NEXT: vst %v0, 0(%r2), 3 ; CHECK-NEXT: br %r14 ; ; Z15-LABEL: f10: ; Z15: # %bb.0: ; Z15-NEXT: vl %v0, 0(%r4), 3 ; Z15-NEXT: vl %v1, 0(%r3), 3 ; Z15-NEXT: vsld %v0, %v1, %v0, 5 ; Z15-NEXT: vst %v0, 0(%r2), 3 ; Z15-NEXT: br %r14 %res = tail call i128 @llvm.fshr.i128(i128 %a, i128 %b, i128 123) ret i128 %res }