File: fp-stack-ret-store.ll

package info (click to toggle)
llvm-toolchain-3.8 1%3A3.8.1-24
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 379,280 kB
  • ctags: 388,501
  • sloc: cpp: 2,309,705; ansic: 477,070; objc: 100,918; asm: 97,974; python: 95,911; sh: 18,634; makefile: 7,294; perl: 5,584; ml: 5,460; pascal: 4,661; lisp: 2,548; xml: 686; cs: 350; php: 212; csh: 117
file content (26 lines) | stat: -rw-r--r-- 752 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
; RUN: llc < %s -mcpu=yonah | not grep movss
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i686-apple-darwin8"

; This should store directly into P from the FP stack.  It should not
; go through a stack slot to get there.

define void @bar(double* %P) {
entry:
	%tmp = tail call double (...) @foo( )		; <double> [#uses=1]
	store double %tmp, double* %P, align 8
	ret void
}

declare double @foo(...)

define void @bar2(float* %P) {
entry:
	%tmp = tail call double (...) @foo2( )		; <double> [#uses=1]
	%tmp1 = fptrunc double %tmp to float		; <float> [#uses=1]
	store float %tmp1, float* %P, align 4
	ret void
}

declare double @foo2(...)