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44 lines
1.2 KiB
LLVM
44 lines
1.2 KiB
LLVM
; RUN: llc < %s -mtriple=arm-linux-gnueabi -mattr=+vfp2 | FileCheck %s -check-prefix=ELF
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; RUN: llc < %s -mtriple=arm-apple-darwin -mattr=+vfp2 | FileCheck %s -check-prefix=DARWIN
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define i32 @f1(i32 %a, i64 %b) {
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; ELF: f1:
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; ELF: mov r0, r2
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; DARWIN: f1:
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; DARWIN: mov r0, r1
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%tmp = call i32 @g1(i64 %b)
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ret i32 %tmp
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}
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; test that allocating the double to r2/r3 makes r1 unavailable on gnueabi.
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define i32 @f2() nounwind optsize {
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; ELF: f2:
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; ELF: mov [[REGISTER:(r[0-9]+)]], #128
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; ELF: str [[REGISTER]], [
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; DARWIN: f2:
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; DARWIN: mov r3, #128
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entry:
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%0 = tail call i32 (i32, ...)* @g2(i32 5, double 1.600000e+01, i32 128) nounwind optsize ; <i32> [#uses=1]
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%not. = icmp ne i32 %0, 128 ; <i1> [#uses=1]
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%.0 = zext i1 %not. to i32 ; <i32> [#uses=1]
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ret i32 %.0
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}
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; test that on gnueabi a 64 bit value at this position will cause r3 to go
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; unused and the value stored in [sp]
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; ELF: f3:
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; ELF: ldr r0, [sp]
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; ELF-NEXT: mov pc, lr
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; DARWIN: f3:
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; DARWIN: mov r0, r3
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; DARWIN-NEXT: mov pc, lr
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define i32 @f3(i32 %i, i32 %j, i32 %k, i64 %l, ...) {
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entry:
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%0 = trunc i64 %l to i32
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ret i32 %0
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}
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declare i32 @g1(i64)
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declare i32 @g2(i32 %i, ...)
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