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7d4ecf1273
Summary: This provides support for CP and DP relative global accesses in inline asm. Reviewers: robertlytton Reviewed By: robertlytton Differential Revision: http://llvm-reviews.chandlerc.com/D2943 llvm-svn: 203129
54 lines
1.1 KiB
LLVM
54 lines
1.1 KiB
LLVM
; RUN: llc < %s -march=xcore | FileCheck %s
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; CHECK-LABEL: f1:
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; CHECK: foo r0
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define i32 @f1() nounwind {
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entry:
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%asmtmp = tail call i32 asm sideeffect "foo $0", "=r"() nounwind
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ret i32 %asmtmp
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}
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; CHECK-LABEL: f2:
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; CHECK: foo 5
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define void @f2() nounwind {
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entry:
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tail call void asm sideeffect "foo $0", "i"(i32 5) nounwind
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ret void
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}
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; CHECK-LABEL: f3:
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; CHECK: foo 42
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define void @f3() nounwind {
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entry:
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tail call void asm sideeffect "foo ${0:c}", "i"(i32 42) nounwind
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ret void
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}
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; CHECK-LABEL: f4:
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; CHECK: foo -99
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define void @f4() nounwind {
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entry:
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tail call void asm sideeffect "foo ${0:n}", "i"(i32 99) nounwind
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ret void
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}
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@x = external global i32
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@y = external global i32, section ".cp.rodata"
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; CHECK-LABEL: f5:
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; CHECK: ldw r0, dp[x]
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; CHECK: retsp 0
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define i32 @f5() nounwind {
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entry:
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%asmtmp = call i32 asm "ldw $0, $1", "=r,*m"(i32* @x) nounwind
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ret i32 %asmtmp
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}
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; CHECK-LABEL: f6:
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; CHECK: ldw r0, cp[y]
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; CHECK: retsp 0
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define i32 @f6() nounwind {
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entry:
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%asmtmp = call i32 asm "ldw $0, $1", "=r,*m"(i32* @y) nounwind
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ret i32 %asmtmp
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}
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