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