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40 lines
790 B
40 lines
790 B
4 months ago
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; Test the GPR constraint "a", which forbids %r0.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -no-integrated-as | FileCheck %s
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define i64 @f1() {
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; CHECK-LABEL: f1:
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; CHECK: lhi %r1, 1
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; CHECK: blah %r2 %r1
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; CHECK: br %r14
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%val = call i64 asm "blah $0 $1", "=r,a" (i8 1)
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ret i64 %val
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}
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define i64 @f2() {
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; CHECK-LABEL: f2:
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; CHECK: lhi %r1, 2
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; CHECK: blah %r2 %r1
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; CHECK: br %r14
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%val = call i64 asm "blah $0 $1", "=r,a" (i16 2)
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ret i64 %val
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}
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define i64 @f3() {
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; CHECK-LABEL: f3:
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; CHECK: lhi %r1, 3
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; CHECK: blah %r2 %r1
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; CHECK: br %r14
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%val = call i64 asm "blah $0 $1", "=r,a" (i32 3)
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ret i64 %val
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}
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define i64 @f4() {
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; CHECK-LABEL: f4:
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; CHECK: lghi %r1, 4
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; CHECK: blah %r2 %r1
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; CHECK: br %r14
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%val = call i64 asm "blah $0 $1", "=r,a" (i64 4)
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ret i64 %val
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}
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