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42 lines
921 B
LLVM
42 lines
921 B
LLVM
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; Test the "J" constraint (12-bit unsigned constants).
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Test 1 below the first valid value.
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define i32 @f1() {
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; CHECK-LABEL: f1:
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; CHECK: lhi [[REG:%r[0-5]]], -1
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; CHECK: blah %r2 [[REG]]
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; CHECK: br %r14
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%val = call i32 asm "blah $0 $1", "=&r,rJ" (i32 -1)
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ret i32 %val
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}
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; Test the first valid value.
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define i32 @f2() {
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; CHECK-LABEL: f2:
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; CHECK: blah %r2 0
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; CHECK: br %r14
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%val = call i32 asm "blah $0 $1", "=&r,rJ" (i32 0)
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ret i32 %val
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}
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; Test the last valid value.
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define i32 @f3() {
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; CHECK-LABEL: f3:
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; CHECK: blah %r2 4095
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; CHECK: br %r14
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%val = call i32 asm "blah $0 $1", "=&r,rJ" (i32 4095)
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ret i32 %val
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}
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; Test 1 above the last valid value.
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define i32 @f4() {
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; CHECK-LABEL: f4:
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; CHECK: lhi [[REG:%r[0-5]]], 4096
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; CHECK: blah %r2 [[REG]]
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; CHECK: br %r14
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%val = call i32 asm "blah $0 $1", "=&r,rJ" (i32 4096)
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ret i32 %val
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}
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