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gerrit-public.fairphone.software / toolchain / llvm-project / 15f349f76f076202a8569ffdf15db153168bf4a2 / . / llvm / test / CodeGen / Mips / call-optimization.ll
blob: 0be5ff2ef6e323617cf251bc677624202a4e0477 [file] [log] [blame]
Petar Jovanovice578e972016-04-11 15:24:23 +0000[diff] [blame]1; RUN: llc -march=mipsel -disable-mips-delay-filler -relocation-model=pic < %s | \
Akira Hatanaka42a91ef2013-12-07 02:48:29 +0000[diff] [blame]2; RUN: FileCheck %s -check-prefix=O32
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]3; RUN: llc -march=mipsel -mips-load-target-from-got=false \
Petar Jovanovice578e972016-04-11 15:24:23 +0000[diff] [blame]4; RUN: -disable-mips-delay-filler -relocation-model=pic < %s | FileCheck %s -check-prefix=O32-LOADTGT
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]5
6@gd1 = common global double 0.000000e+00, align 8
7@gd2 = common global double 0.000000e+00, align 8
8
9; O32-LABEL: caller3:
10; O32-DAG: lw $25, %call16(callee3)
11; O32-DAG: move $gp
12; O32: jalr $25
Akira Hatanaka42a91ef2013-12-07 02:48:29 +0000[diff] [blame]13; O32-NOT: move $gp
14; O32: lw $25, %call16(callee3)
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]15; O32-NOT: move $gp
16; O32: jalr $25
Akira Hatanaka42a91ef2013-12-07 02:48:29 +0000[diff] [blame]17; O32-NOT: move $gp
18; O32: lw $25, %call16(callee3)
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]19; O32-NOT: move $gp
20; O32: jalr $25
21
22; O32-LOADTGT-LABEL: caller3:
23; O32-LOADTGT-DAG: lw $25, %call16(callee3)
24; O32-LOADTGT-DAG: move $gp
25; O32-LOADTGT: jalr $25
Akira Hatanaka42a91ef2013-12-07 02:48:29 +0000[diff] [blame]26; O32-LOADTGT-NOT: move $gp
27; O32-LOADTGT: move $25
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]28; O32-LOADTGT-NOT: move $gp
29; O32-LOADTGT: jalr $25
Akira Hatanaka42a91ef2013-12-07 02:48:29 +0000[diff] [blame]30; O32-LOADTGT-NOT: move $gp
31; O32-LOADTGT: move $25
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]32; O32-LOADTGT-NOT: move $gp
33; O32-LOADTGT: jalr $25
34
35define void @caller3(i32 %n) {
36entry:
37 tail call void @callee3()
38 tail call void @callee3()
39 %tobool1 = icmp eq i32 %n, 0
40 br i1 %tobool1, label %while.end, label %while.body
41
42while.body:
43 %n.addr.02 = phi i32 [ %dec, %while.body ], [ %n, %entry ]
44 %dec = add nsw i32 %n.addr.02, -1
45 tail call void @callee3()
46 %tobool = icmp eq i32 %dec, 0
47 br i1 %tobool, label %while.end, label %while.body
48
49while.end:
50 ret void
51}
52
53declare void @callee3()
54
55; O32-LABEL: caller4:
56; O32-DAG: lw $25, %call16(ceil)
57; O32-DAG: move $gp
58; O32: jalr $25
Akira Hatanaka42a91ef2013-12-07 02:48:29 +0000[diff] [blame]59; O32-NOT: move $gp
60; O32: lw $25, %call16(ceil)
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]61; O32-NOT: move $gp
62; O32: jalr $25
Akira Hatanaka42a91ef2013-12-07 02:48:29 +0000[diff] [blame]63; O32-NOT: move $gp
64; O32: lw $25, %call16(ceil)
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]65; O32-NOT: move $gp
66; O32: jalr $25
67
68; O32-LOADTGT-LABEL: caller4:
69; O32-LOADTGT-DAG: lw $25, %call16(ceil)
70; O32-LOADTGT-DAG: move $gp
71; O32-LOADTGT: jalr $25
Akira Hatanaka42a91ef2013-12-07 02:48:29 +0000[diff] [blame]72; O32-LOADTGT-NOT: move $gp
73; O32-LOADTGT: move $25
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]74; O32-LOADTGT-NOT: move $gp
75; O32-LOADTGT: jalr $25
Akira Hatanaka42a91ef2013-12-07 02:48:29 +0000[diff] [blame]76; O32-LOADTGT-NOT: move $gp
77; O32-LOADTGT: move $25
Akira Hatanaka168d4e52013-11-27 23:38:42 +0000[diff] [blame]78; O32-LOADTGT-NOT: move $gp
79; O32-LOADTGT: jalr $25
80
81define void @caller4(double %d) {
82entry:
83 %call = tail call double @ceil(double %d)
84 %call1 = tail call double @ceil(double %call)
85 store double %call1, double* @gd2, align 8
86 %call2 = tail call double @ceil(double %call1)
87 store double %call2, double* @gd1, align 8
88 ret void
89}
90
91declare double @ceil(double)
Vasileios Kalintiriscfb005a2016-10-27 15:50:36 +0000[diff] [blame]92
93; Make sure that the MipsOptimizePICCall pass is run even for optnone functions,
94; as we have to make sure that jalr uses $t9 for PIC code in order to adhere to
95; the MIPS o32 ABI.
96define hidden double @foo(double %dbl) #0 {
97entry:
98 ; O32: jalr $25
99 %res = call double @sqrt(double %dbl)
100 ret double %res
101}
102
103declare double @sqrt(double)
104
105attributes #0 = { noinline optnone }