a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
50 lines
940 B
LLVM
50 lines
940 B
LLVM
; That that we don't try to use z196 instructions on z10 for TMHH and TMHL.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 -O0 | FileCheck %s
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@g = global i32 0
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; Check the lowest useful TMHL value.
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define void @f1(i64 %a) {
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; CHECK-LABEL: f1:
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; CHECK-NOT: risblg
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; CHECK-NOT: risbhg
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; CHECK: tmhl {{%r[0-5]}}, 1
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; CHECK-NOT: risblg
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; CHECK-NOT: risbhg
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; CHECK: br %r14
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entry:
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%and = and i64 %a, 4294967296
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%cmp = icmp eq i64 %and, 0
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br i1 %cmp, label %exit, label %store
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store:
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store i32 1, ptr@g
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br label %exit
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exit:
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ret void
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}
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; Check the lowest useful TMHH value.
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define void @f2(i64 %a) {
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; CHECK-LABEL: f2:
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; CHECK-NOT: risblg
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; CHECK-NOT: risbhg
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; CHECK: tmhh {{%r[0-5]}}, 1
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; CHECK-NOT: risblg
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; CHECK-NOT: risbhg
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; CHECK: br %r14
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entry:
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%and = and i64 %a, 281474976710656
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%cmp = icmp ne i64 %and, 0
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br i1 %cmp, label %exit, label %store
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store:
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store i32 1, ptr@g
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br label %exit
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exit:
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ret void
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}
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